Home / 52,290.50-72,159.65-29,318.79

Finding the Fourth Proportional to 52,290.50, 72,159.65 and 29,318.79

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Solution

The fourth proportional to 52,290.50, 72,159.65 and 29,318.79 is: 40,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.50 : 72,159.65 = 29,318.79 : x
  2. Step 2: Convert to fraction form
    52,290.50/72,159.65 = 29,318.79/x
  3. Step 3: Cross multiply
    52,290.50x = 72,159.65 × 29,318.79
  4. Step 4: Simplify right side
    52,290.50x = 2,115,633,478.23
  5. Step 5: Solve for x
    x = 2,115,633,478.23/52,290.50
  6. Step 6: Final answer
    x = 40,459.24

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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.