Home / 54,312.71-74,947.41-30,434.76

Finding the Fourth Proportional to 54,312.71, 74,947.41 and 30,434.76

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Solution

The fourth proportional to 54,312.71, 74,947.41 and 30,434.76 is: 41,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.71 : 74,947.41 = 30,434.76 : x
  2. Step 2: Convert to fraction form
    54,312.71/74,947.41 = 30,434.76/x
  3. Step 3: Cross multiply
    54,312.71x = 74,947.41 × 30,434.76
  4. Step 4: Simplify right side
    54,312.71x = 2,281,006,435.97
  5. Step 5: Solve for x
    x = 2,281,006,435.97/54,312.71
  6. Step 6: Final answer
    x = 41,997.66

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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.