Home / 38,301.46-52,855.07-21,305.72

Finding the Fourth Proportional to 38,301.46, 52,855.07 and 21,305.72

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Solution

The fourth proportional to 38,301.46, 52,855.07 and 21,305.72 is: 29,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.46 : 52,855.07 = 21,305.72 : x
  2. Step 2: Convert to fraction form
    38,301.46/52,855.07 = 21,305.72/x
  3. Step 3: Cross multiply
    38,301.46x = 52,855.07 × 21,305.72
  4. Step 4: Simplify right side
    38,301.46x = 1,126,115,347.61
  5. Step 5: Solve for x
    x = 1,126,115,347.61/38,301.46
  6. Step 6: Final answer
    x = 29,401.37

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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.