Home / 56,785.56-85,084.18-34,531.62

Finding the Fourth Proportional to 56,785.56, 85,084.18 and 34,531.62

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Solution

The fourth proportional to 56,785.56, 85,084.18 and 34,531.62 is: 51,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785.56 : 85,084.18 = 34,531.62 : x
  2. Step 2: Convert to fraction form
    56,785.56/85,084.18 = 34,531.62/x
  3. Step 3: Cross multiply
    56,785.56x = 85,084.18 × 34,531.62
  4. Step 4: Simplify right side
    56,785.56x = 2,938,094,399.11
  5. Step 5: Solve for x
    x = 2,938,094,399.11/56,785.56
  6. Step 6: Final answer
    x = 51,740.17

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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.