Home / 42,543.03-63,814.54-11,377.47

Finding the Fourth Proportional to 42,543.03, 63,814.54 and 11,377.47

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Solution

The fourth proportional to 42,543.03, 63,814.54 and 11,377.47 is: 17,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.03 : 63,814.54 = 11,377.47 : x
  2. Step 2: Convert to fraction form
    42,543.03/63,814.54 = 11,377.47/x
  3. Step 3: Cross multiply
    42,543.03x = 63,814.54 × 11,377.47
  4. Step 4: Simplify right side
    42,543.03x = 726,048,014.41
  5. Step 5: Solve for x
    x = 726,048,014.41/42,543.03
  6. Step 6: Final answer
    x = 17,066.20

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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.