Home / 56,824.88-78,418.87-31,332.15

Finding the Fourth Proportional to 56,824.88, 78,418.87 and 31,332.15

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Solution

The fourth proportional to 56,824.88, 78,418.87 and 31,332.15 is: 43,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,824.88 : 78,418.87 = 31,332.15 : x
  2. Step 2: Convert to fraction form
    56,824.88/78,418.87 = 31,332.15/x
  3. Step 3: Cross multiply
    56,824.88x = 78,418.87 × 31,332.15
  4. Step 4: Simplify right side
    56,824.88x = 2,457,031,719.34
  5. Step 5: Solve for x
    x = 2,457,031,719.34/56,824.88
  6. Step 6: Final answer
    x = 43,238.66

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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.