Home / 55,800.29-83,700.59-13,680.56

Finding the Fourth Proportional to 55,800.29, 83,700.59 and 13,680.56

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Solution

The fourth proportional to 55,800.29, 83,700.59 and 13,680.56 is: 20,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.29 : 83,700.59 = 13,680.56 : x
  2. Step 2: Convert to fraction form
    55,800.29/83,700.59 = 13,680.56/x
  3. Step 3: Cross multiply
    55,800.29x = 83,700.59 × 13,680.56
  4. Step 4: Simplify right side
    55,800.29x = 1,145,070,875.13
  5. Step 5: Solve for x
    x = 1,145,070,875.13/55,800.29
  6. Step 6: Final answer
    x = 20,520.88

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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.