Home / 57,205.48-78,947.96-36,002.92

Finding the Fourth Proportional to 57,205.48, 78,947.96 and 36,002.92

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Solution

The fourth proportional to 57,205.48, 78,947.96 and 36,002.92 is: 49,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205.48 : 78,947.96 = 36,002.92 : x
  2. Step 2: Convert to fraction form
    57,205.48/78,947.96 = 36,002.92/x
  3. Step 3: Cross multiply
    57,205.48x = 78,947.96 × 36,002.92
  4. Step 4: Simplify right side
    57,205.48x = 2,842,357,088.04
  5. Step 5: Solve for x
    x = 2,842,357,088.04/57,205.48
  6. Step 6: Final answer
    x = 49,686.80

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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.