Home / 38,731.17-53,431.26-22,807.99

Finding the Fourth Proportional to 38,731.17, 53,431.26 and 22,807.99

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Solution

The fourth proportional to 38,731.17, 53,431.26 and 22,807.99 is: 31,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.17 : 53,431.26 = 22,807.99 : x
  2. Step 2: Convert to fraction form
    38,731.17/53,431.26 = 22,807.99/x
  3. Step 3: Cross multiply
    38,731.17x = 53,431.26 × 22,807.99
  4. Step 4: Simplify right side
    38,731.17x = 1,218,659,376.61
  5. Step 5: Solve for x
    x = 1,218,659,376.61/38,731.17
  6. Step 6: Final answer
    x = 31,464.56

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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.