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Finding the Fourth Proportional to 59,772.70, 82,486.34 and 32,915.15

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Solution

The fourth proportional to 59,772.70, 82,486.34 and 32,915.15 is: 45,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,772.70 : 82,486.34 = 32,915.15 : x
  2. Step 2: Convert to fraction form
    59,772.70/82,486.34 = 32,915.15/x
  3. Step 3: Cross multiply
    59,772.70x = 82,486.34 × 32,915.15
  4. Step 4: Simplify right side
    59,772.70x = 2,715,050,254.05
  5. Step 5: Solve for x
    x = 2,715,050,254.05/59,772.70
  6. Step 6: Final answer
    x = 45,422.91

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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.