Home / 38,704.13-53,412.50-21,937.13

Finding the Fourth Proportional to 38,704.13, 53,412.50 and 21,937.13

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Solution

The fourth proportional to 38,704.13, 53,412.50 and 21,937.13 is: 30,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,704.13 : 53,412.50 = 21,937.13 : x
  2. Step 2: Convert to fraction form
    38,704.13/53,412.50 = 21,937.13/x
  3. Step 3: Cross multiply
    38,704.13x = 53,412.50 × 21,937.13
  4. Step 4: Simplify right side
    38,704.13x = 1,171,716,956.13
  5. Step 5: Solve for x
    x = 1,171,716,956.13/38,704.13
  6. Step 6: Final answer
    x = 30,273.69

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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.