Home / 42,320.30-63,484.66-15,673.42

Finding the Fourth Proportional to 42,320.30, 63,484.66 and 15,673.42

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Solution

The fourth proportional to 42,320.30, 63,484.66 and 15,673.42 is: 23,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.30 : 63,484.66 = 15,673.42 : x
  2. Step 2: Convert to fraction form
    42,320.30/63,484.66 = 15,673.42/x
  3. Step 3: Cross multiply
    42,320.30x = 63,484.66 × 15,673.42
  4. Step 4: Simplify right side
    42,320.30x = 995,021,739.74
  5. Step 5: Solve for x
    x = 995,021,739.74/42,320.30
  6. Step 6: Final answer
    x = 23,511.69

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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.