Home / 56,440.46-77,891.33-31,289.96

Finding the Fourth Proportional to 56,440.46, 77,891.33 and 31,289.96

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Solution

The fourth proportional to 56,440.46, 77,891.33 and 31,289.96 is: 43,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.46 : 77,891.33 = 31,289.96 : x
  2. Step 2: Convert to fraction form
    56,440.46/77,891.33 = 31,289.96/x
  3. Step 3: Cross multiply
    56,440.46x = 77,891.33 × 31,289.96
  4. Step 4: Simplify right side
    56,440.46x = 2,437,216,434.86
  5. Step 5: Solve for x
    x = 2,437,216,434.86/56,440.46
  6. Step 6: Final answer
    x = 43,182.08

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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.