Home / 54,601.47-75,337.56-30,719.43

Finding the Fourth Proportional to 54,601.47, 75,337.56 and 30,719.43

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Solution

The fourth proportional to 54,601.47, 75,337.56 and 30,719.43 is: 42,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.47 : 75,337.56 = 30,719.43 : x
  2. Step 2: Convert to fraction form
    54,601.47/75,337.56 = 30,719.43/x
  3. Step 3: Cross multiply
    54,601.47x = 75,337.56 × 30,719.43
  4. Step 4: Simplify right side
    54,601.47x = 2,314,326,900.79
  5. Step 5: Solve for x
    x = 2,314,326,900.79/54,601.47
  6. Step 6: Final answer
    x = 42,385.80

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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.