Home / 30,235.83-45,353.98-17,085.13

Finding the Fourth Proportional to 30,235.83, 45,353.98 and 17,085.13

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Solution

The fourth proportional to 30,235.83, 45,353.98 and 17,085.13 is: 25,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.83 : 45,353.98 = 17,085.13 : x
  2. Step 2: Convert to fraction form
    30,235.83/45,353.98 = 17,085.13/x
  3. Step 3: Cross multiply
    30,235.83x = 45,353.98 × 17,085.13
  4. Step 4: Simplify right side
    30,235.83x = 774,878,456.19
  5. Step 5: Solve for x
    x = 774,878,456.19/30,235.83
  6. Step 6: Final answer
    x = 25,627.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.