Home / 53,142.40-73,336.98-29,269.90

Finding the Fourth Proportional to 53,142.40, 73,336.98 and 29,269.90

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Solution

The fourth proportional to 53,142.40, 73,336.98 and 29,269.90 is: 40,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,142.40 : 73,336.98 = 29,269.90 : x
  2. Step 2: Convert to fraction form
    53,142.40/73,336.98 = 29,269.90/x
  3. Step 3: Cross multiply
    53,142.40x = 73,336.98 × 29,269.90
  4. Step 4: Simplify right side
    53,142.40x = 2,146,566,070.90
  5. Step 5: Solve for x
    x = 2,146,566,070.90/53,142.40
  6. Step 6: Final answer
    x = 40,392.72

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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.