Home / 57,388.13-79,195.32-31,547.28

Finding the Fourth Proportional to 57,388.13, 79,195.32 and 31,547.28

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Solution

The fourth proportional to 57,388.13, 79,195.32 and 31,547.28 is: 43,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.13 : 79,195.32 = 31,547.28 : x
  2. Step 2: Convert to fraction form
    57,388.13/79,195.32 = 31,547.28/x
  3. Step 3: Cross multiply
    57,388.13x = 79,195.32 × 31,547.28
  4. Step 4: Simplify right side
    57,388.13x = 2,498,396,934.73
  5. Step 5: Solve for x
    x = 2,498,396,934.73/57,388.13
  6. Step 6: Final answer
    x = 43,535.08

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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.