Home / 53,221.98-73,445.31-29,350.86

Finding the Fourth Proportional to 53,221.98, 73,445.31 and 29,350.86

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Solution

The fourth proportional to 53,221.98, 73,445.31 and 29,350.86 is: 40,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.98 : 73,445.31 = 29,350.86 : x
  2. Step 2: Convert to fraction form
    53,221.98/73,445.31 = 29,350.86/x
  3. Step 3: Cross multiply
    53,221.98x = 73,445.31 × 29,350.86
  4. Step 4: Simplify right side
    53,221.98x = 2,155,683,011.47
  5. Step 5: Solve for x
    x = 2,155,683,011.47/53,221.98
  6. Step 6: Final answer
    x = 40,503.62

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1.5x scale

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.