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Finding the Fourth Proportional to 57,454.92, 79,248.81 and 37,275.75

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Solution

The fourth proportional to 57,454.92, 79,248.81 and 37,275.75 is: 51,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.92 : 79,248.81 = 37,275.75 : x
  2. Step 2: Convert to fraction form
    57,454.92/79,248.81 = 37,275.75/x
  3. Step 3: Cross multiply
    57,454.92x = 79,248.81 × 37,275.75
  4. Step 4: Simplify right side
    57,454.92x = 2,954,058,829.36
  5. Step 5: Solve for x
    x = 2,954,058,829.36/57,454.92
  6. Step 6: Final answer
    x = 51,415.25

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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.