Home / 54,549.76-75,279.69-31,890.68

Finding the Fourth Proportional to 54,549.76, 75,279.69 and 31,890.68

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Solution

The fourth proportional to 54,549.76, 75,279.69 and 31,890.68 is: 44,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.76 : 75,279.69 = 31,890.68 : x
  2. Step 2: Convert to fraction form
    54,549.76/75,279.69 = 31,890.68/x
  3. Step 3: Cross multiply
    54,549.76x = 75,279.69 × 31,890.68
  4. Step 4: Simplify right side
    54,549.76x = 2,400,720,504.29
  5. Step 5: Solve for x
    x = 2,400,720,504.29/54,549.76
  6. Step 6: Final answer
    x = 44,009.74

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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.