Home / 54,038.14-74,572.34-31,382.70

Finding the Fourth Proportional to 54,038.14, 74,572.34 and 31,382.70

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Solution

The fourth proportional to 54,038.14, 74,572.34 and 31,382.70 is: 43,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038.14 : 74,572.34 = 31,382.70 : x
  2. Step 2: Convert to fraction form
    54,038.14/74,572.34 = 31,382.70/x
  3. Step 3: Cross multiply
    54,038.14x = 74,572.34 × 31,382.70
  4. Step 4: Simplify right side
    54,038.14x = 2,340,281,374.52
  5. Step 5: Solve for x
    x = 2,340,281,374.52/54,038.14
  6. Step 6: Final answer
    x = 43,307.96

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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.