Home / 53,178.92-73,387.40-29,306.45

Finding the Fourth Proportional to 53,178.92, 73,387.40 and 29,306.45

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Solution

The fourth proportional to 53,178.92, 73,387.40 and 29,306.45 is: 40,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,178.92 : 73,387.40 = 29,306.45 : x
  2. Step 2: Convert to fraction form
    53,178.92/73,387.40 = 29,306.45/x
  3. Step 3: Cross multiply
    53,178.92x = 73,387.40 × 29,306.45
  4. Step 4: Simplify right side
    53,178.92x = 2,150,723,655.26
  5. Step 5: Solve for x
    x = 2,150,723,655.26/53,178.92
  6. Step 6: Final answer
    x = 40,443.17

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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.