Home / 54,601.13-75,337.09-30,719.09

Finding the Fourth Proportional to 54,601.13, 75,337.09 and 30,719.09

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Solution

The fourth proportional to 54,601.13, 75,337.09 and 30,719.09 is: 42,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.13 : 75,337.09 = 30,719.09 : x
  2. Step 2: Convert to fraction form
    54,601.13/75,337.09 = 30,719.09/x
  3. Step 3: Cross multiply
    54,601.13x = 75,337.09 × 30,719.09
  4. Step 4: Simplify right side
    54,601.13x = 2,314,286,422.45
  5. Step 5: Solve for x
    x = 2,314,286,422.45/54,601.13
  6. Step 6: Final answer
    x = 42,385.32

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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.