Home / 56,816.87-78,407.83-31,324.17

Finding the Fourth Proportional to 56,816.87, 78,407.83 and 31,324.17

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Solution

The fourth proportional to 56,816.87, 78,407.83 and 31,324.17 is: 43,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.87 : 78,407.83 = 31,324.17 : x
  2. Step 2: Convert to fraction form
    56,816.87/78,407.83 = 31,324.17/x
  3. Step 3: Cross multiply
    56,816.87x = 78,407.83 × 31,324.17
  4. Step 4: Simplify right side
    56,816.87x = 2,456,060,117.94
  5. Step 5: Solve for x
    x = 2,456,060,117.94/56,816.87
  6. Step 6: Final answer
    x = 43,227.65

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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.