Home / 54,353.46-75,010.56-30,478.71

Finding the Fourth Proportional to 54,353.46, 75,010.56 and 30,478.71

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Solution

The fourth proportional to 54,353.46, 75,010.56 and 30,478.71 is: 42,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.46 : 75,010.56 = 30,478.71 : x
  2. Step 2: Convert to fraction form
    54,353.46/75,010.56 = 30,478.71/x
  3. Step 3: Cross multiply
    54,353.46x = 75,010.56 × 30,478.71
  4. Step 4: Simplify right side
    54,353.46x = 2,286,225,105.18
  5. Step 5: Solve for x
    x = 2,286,225,105.18/54,353.46
  6. Step 6: Final answer
    x = 42,062.18

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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.