Home / 55,398.92-76,514.15-40,358.84

Finding the Fourth Proportional to 55,398.92, 76,514.15 and 40,358.84

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Solution

The fourth proportional to 55,398.92, 76,514.15 and 40,358.84 is: 55,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.92 : 76,514.15 = 40,358.84 : x
  2. Step 2: Convert to fraction form
    55,398.92/76,514.15 = 40,358.84/x
  3. Step 3: Cross multiply
    55,398.92x = 76,514.15 × 40,358.84
  4. Step 4: Simplify right side
    55,398.92x = 3,088,022,055.91
  5. Step 5: Solve for x
    x = 3,088,022,055.91/55,398.92
  6. Step 6: Final answer
    x = 55,741.56

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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.