Home / 38,864.40-58,253.40-21,346.80

Finding the Fourth Proportional to 38,864.40, 58,253.40 and 21,346.80

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Solution

The fourth proportional to 38,864.40, 58,253.40 and 21,346.80 is: 31,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,864.40 : 58,253.40 = 21,346.80 : x
  2. Step 2: Convert to fraction form
    38,864.40/58,253.40 = 21,346.80/x
  3. Step 3: Cross multiply
    38,864.40x = 58,253.40 × 21,346.80
  4. Step 4: Simplify right side
    38,864.40x = 1,243,523,679.12
  5. Step 5: Solve for x
    x = 1,243,523,679.12/38,864.40
  6. Step 6: Final answer
    x = 31,996.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.