Home / 39,712.83-54,757.40-29,623.76

Finding the Fourth Proportional to 39,712.83, 54,757.40 and 29,623.76

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Solution

The fourth proportional to 39,712.83, 54,757.40 and 29,623.76 is: 40,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.83 : 54,757.40 = 29,623.76 : x
  2. Step 2: Convert to fraction form
    39,712.83/54,757.40 = 29,623.76/x
  3. Step 3: Cross multiply
    39,712.83x = 54,757.40 × 29,623.76
  4. Step 4: Simplify right side
    39,712.83x = 1,622,119,955.20
  5. Step 5: Solve for x
    x = 1,622,119,955.20/39,712.83
  6. Step 6: Final answer
    x = 40,846.25

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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.