Home / 55,388.74-76,500.18-40,348.66

Finding the Fourth Proportional to 55,388.74, 76,500.18 and 40,348.66

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Solution

The fourth proportional to 55,388.74, 76,500.18 and 40,348.66 is: 55,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.74 : 76,500.18 = 40,348.66 : x
  2. Step 2: Convert to fraction form
    55,388.74/76,500.18 = 40,348.66/x
  3. Step 3: Cross multiply
    55,388.74x = 76,500.18 × 40,348.66
  4. Step 4: Simplify right side
    55,388.74x = 3,086,679,752.76
  5. Step 5: Solve for x
    x = 3,086,679,752.76/55,388.74
  6. Step 6: Final answer
    x = 55,727.57

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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.