Home / 30,146.22-41,604.30-16,718.76

Finding the Fourth Proportional to 30,146.22, 41,604.30 and 16,718.76

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Solution

The fourth proportional to 30,146.22, 41,604.30 and 16,718.76 is: 23,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.22 : 41,604.30 = 16,718.76 : x
  2. Step 2: Convert to fraction form
    30,146.22/41,604.30 = 16,718.76/x
  3. Step 3: Cross multiply
    30,146.22x = 41,604.30 × 16,718.76
  4. Step 4: Simplify right side
    30,146.22x = 695,572,306.67
  5. Step 5: Solve for x
    x = 695,572,306.67/30,146.22
  6. Step 6: Final answer
    x = 23,073.28

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Half scale
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Double scale
Find fourth proportional to 30,147.22, 41,605.68 and 16,719.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.