Home / 42,421.70-63,632.55-29,915.30

Finding the Fourth Proportional to 42,421.70, 63,632.55 and 29,915.30

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Solution

The fourth proportional to 42,421.70, 63,632.55 and 29,915.30 is: 44,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.70 : 63,632.55 = 29,915.30 : x
  2. Step 2: Convert to fraction form
    42,421.70/63,632.55 = 29,915.30/x
  3. Step 3: Cross multiply
    42,421.70x = 63,632.55 × 29,915.30
  4. Step 4: Simplify right side
    42,421.70x = 1,903,586,823.02
  5. Step 5: Solve for x
    x = 1,903,586,823.02/42,421.70
  6. Step 6: Final answer
    x = 44,872.95

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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.