Home / 57,977.28-79,979.40-34,088.76

Finding the Fourth Proportional to 57,977.28, 79,979.40 and 34,088.76

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Solution

The fourth proportional to 57,977.28, 79,979.40 and 34,088.76 is: 47,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,977.28 : 79,979.40 = 34,088.76 : x
  2. Step 2: Convert to fraction form
    57,977.28/79,979.40 = 34,088.76/x
  3. Step 3: Cross multiply
    57,977.28x = 79,979.40 × 34,088.76
  4. Step 4: Simplify right side
    57,977.28x = 2,726,398,571.54
  5. Step 5: Solve for x
    x = 2,726,398,571.54/57,977.28
  6. Step 6: Final answer
    x = 47,025.29

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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.