Home / 42,709.50-63,984.06-39,487.32

Finding the Fourth Proportional to 42,709.50, 63,984.06 and 39,487.32

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Solution

The fourth proportional to 42,709.50, 63,984.06 and 39,487.32 is: 59,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709.50 : 63,984.06 = 39,487.32 : x
  2. Step 2: Convert to fraction form
    42,709.50/63,984.06 = 39,487.32/x
  3. Step 3: Cross multiply
    42,709.50x = 63,984.06 × 39,487.32
  4. Step 4: Simplify right side
    42,709.50x = 2,526,559,052.12
  5. Step 5: Solve for x
    x = 2,526,559,052.12/42,709.50
  6. Step 6: Final answer
    x = 59,156.84

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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.