Home / 42,311.72-63,505.65-22,607.12

Finding the Fourth Proportional to 42,311.72, 63,505.65 and 22,607.12

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Solution

The fourth proportional to 42,311.72, 63,505.65 and 22,607.12 is: 33,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311.72 : 63,505.65 = 22,607.12 : x
  2. Step 2: Convert to fraction form
    42,311.72/63,505.65 = 22,607.12/x
  3. Step 3: Cross multiply
    42,311.72x = 63,505.65 × 22,607.12
  4. Step 4: Simplify right side
    42,311.72x = 1,435,679,850.23
  5. Step 5: Solve for x
    x = 1,435,679,850.23/42,311.72
  6. Step 6: Final answer
    x = 33,931.02

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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.