Home / 57,329.36-79,115.12-31,836.24

Finding the Fourth Proportional to 57,329.36, 79,115.12 and 31,836.24

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Solution

The fourth proportional to 57,329.36, 79,115.12 and 31,836.24 is: 43,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329.36 : 79,115.12 = 31,836.24 : x
  2. Step 2: Convert to fraction form
    57,329.36/79,115.12 = 31,836.24/x
  3. Step 3: Cross multiply
    57,329.36x = 79,115.12 × 31,836.24
  4. Step 4: Simplify right side
    57,329.36x = 2,518,727,947.95
  5. Step 5: Solve for x
    x = 2,518,727,947.95/57,329.36
  6. Step 6: Final answer
    x = 43,934.35

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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.