Home / 38,731.42-53,431.61-22,808.24

Finding the Fourth Proportional to 38,731.42, 53,431.61 and 22,808.24

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Solution

The fourth proportional to 38,731.42, 53,431.61 and 22,808.24 is: 31,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.42 : 53,431.61 = 22,808.24 : x
  2. Step 2: Convert to fraction form
    38,731.42/53,431.61 = 22,808.24/x
  3. Step 3: Cross multiply
    38,731.42x = 53,431.61 × 22,808.24
  4. Step 4: Simplify right side
    38,731.42x = 1,218,680,603.27
  5. Step 5: Solve for x
    x = 1,218,680,603.27/38,731.42
  6. Step 6: Final answer
    x = 31,464.91

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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.