Home / 53,459.40-73,781.78-30,793.98

Finding the Fourth Proportional to 53,459.40, 73,781.78 and 30,793.98

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Solution

The fourth proportional to 53,459.40, 73,781.78 and 30,793.98 is: 42,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,459.40 : 73,781.78 = 30,793.98 : x
  2. Step 2: Convert to fraction form
    53,459.40/73,781.78 = 30,793.98/x
  3. Step 3: Cross multiply
    53,459.40x = 73,781.78 × 30,793.98
  4. Step 4: Simplify right side
    53,459.40x = 2,272,034,657.68
  5. Step 5: Solve for x
    x = 2,272,034,657.68/53,459.40
  6. Step 6: Final answer
    x = 42,500.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.