Home / 56,375.66-77,750.13-40,212.17

Finding the Fourth Proportional to 56,375.66, 77,750.13 and 40,212.17

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Solution

The fourth proportional to 56,375.66, 77,750.13 and 40,212.17 is: 55,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,375.66 : 77,750.13 = 40,212.17 : x
  2. Step 2: Convert to fraction form
    56,375.66/77,750.13 = 40,212.17/x
  3. Step 3: Cross multiply
    56,375.66x = 77,750.13 × 40,212.17
  4. Step 4: Simplify right side
    56,375.66x = 3,126,501,491.17
  5. Step 5: Solve for x
    x = 3,126,501,491.17/56,375.66
  6. Step 6: Final answer
    x = 55,458.36

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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.