Home / 42,365.43-63,543.29-11,203.11

Finding the Fourth Proportional to 42,365.43, 63,543.29 and 11,203.11

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Solution

The fourth proportional to 42,365.43, 63,543.29 and 11,203.11 is: 16,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,365.43 : 63,543.29 = 11,203.11 : x
  2. Step 2: Convert to fraction form
    42,365.43/63,543.29 = 11,203.11/x
  3. Step 3: Cross multiply
    42,365.43x = 63,543.29 × 11,203.11
  4. Step 4: Simplify right side
    42,365.43x = 711,882,411.62
  5. Step 5: Solve for x
    x = 711,882,411.62/42,365.43
  6. Step 6: Final answer
    x = 16,803.38

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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.