Home / 56,471.54-77,932.41-31,320.50

Finding the Fourth Proportional to 56,471.54, 77,932.41 and 31,320.50

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Solution

The fourth proportional to 56,471.54, 77,932.41 and 31,320.50 is: 43,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.54 : 77,932.41 = 31,320.50 : x
  2. Step 2: Convert to fraction form
    56,471.54/77,932.41 = 31,320.50/x
  3. Step 3: Cross multiply
    56,471.54x = 77,932.41 × 31,320.50
  4. Step 4: Simplify right side
    56,471.54x = 2,440,882,047.41
  5. Step 5: Solve for x
    x = 2,440,882,047.41/56,471.54
  6. Step 6: Final answer
    x = 43,223.22

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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.