Home / 53,381.78-73,666.82-29,508.45

Finding the Fourth Proportional to 53,381.78, 73,666.82 and 29,508.45

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Solution

The fourth proportional to 53,381.78, 73,666.82 and 29,508.45 is: 40,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.78 : 73,666.82 = 29,508.45 : x
  2. Step 2: Convert to fraction form
    53,381.78/73,666.82 = 29,508.45/x
  3. Step 3: Cross multiply
    53,381.78x = 73,666.82 × 29,508.45
  4. Step 4: Simplify right side
    53,381.78x = 2,173,793,306.29
  5. Step 5: Solve for x
    x = 2,173,793,306.29/53,381.78
  6. Step 6: Final answer
    x = 40,721.64

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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.