Home / 55,665.97-76,920.71-40,532.20

Finding the Fourth Proportional to 55,665.97, 76,920.71 and 40,532.20

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Solution

The fourth proportional to 55,665.97, 76,920.71 and 40,532.20 is: 56,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.97 : 76,920.71 = 40,532.20 : x
  2. Step 2: Convert to fraction form
    55,665.97/76,920.71 = 40,532.20/x
  3. Step 3: Cross multiply
    55,665.97x = 76,920.71 × 40,532.20
  4. Step 4: Simplify right side
    55,665.97x = 3,117,765,206.90
  5. Step 5: Solve for x
    x = 3,117,765,206.90/55,665.97
  6. Step 6: Final answer
    x = 56,008.46

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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.