Home / 42,207.75-63,315.27-11,043

Finding the Fourth Proportional to 42,207.75, 63,315.27 and 11,043

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Solution

The fourth proportional to 42,207.75, 63,315.27 and 11,043 is: 16,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.75 : 63,315.27 = 11,043 : x
  2. Step 2: Convert to fraction form
    42,207.75/63,315.27 = 11,043/x
  3. Step 3: Cross multiply
    42,207.75x = 63,315.27 × 11,043
  4. Step 4: Simplify right side
    42,207.75x = 699,190,526.61
  5. Step 5: Solve for x
    x = 699,190,526.61/42,207.75
  6. Step 6: Final answer
    x = 16,565.45

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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.