Home / 30,147.83-41,605.35-16,718.19

Finding the Fourth Proportional to 30,147.83, 41,605.35 and 16,718.19

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Solution

The fourth proportional to 30,147.83, 41,605.35 and 16,718.19 is: 23,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.83 : 41,605.35 = 16,718.19 : x
  2. Step 2: Convert to fraction form
    30,147.83/41,605.35 = 16,718.19/x
  3. Step 3: Cross multiply
    30,147.83x = 41,605.35 × 16,718.19
  4. Step 4: Simplify right side
    30,147.83x = 695,565,938.29
  5. Step 5: Solve for x
    x = 695,565,938.29/30,147.83
  6. Step 6: Final answer
    x = 23,071.84

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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.