Home / 62,947.50-94,424.30-20,831.36

Finding the Fourth Proportional to 62,947.50, 94,424.30 and 20,831.36

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Solution

The fourth proportional to 62,947.50, 94,424.30 and 20,831.36 is: 31,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,947.50 : 94,424.30 = 20,831.36 : x
  2. Step 2: Convert to fraction form
    62,947.50/94,424.30 = 20,831.36/x
  3. Step 3: Cross multiply
    62,947.50x = 94,424.30 × 20,831.36
  4. Step 4: Simplify right side
    62,947.50x = 1,966,986,586.05
  5. Step 5: Solve for x
    x = 1,966,986,586.05/62,947.50
  6. Step 6: Final answer
    x = 31,248.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.