Home / 51,947.65-77,831.95-40,572.52

Finding the Fourth Proportional to 51,947.65, 77,831.95 and 40,572.52

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Solution

The fourth proportional to 51,947.65, 77,831.95 and 40,572.52 is: 60,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.65 : 77,831.95 = 40,572.52 : x
  2. Step 2: Convert to fraction form
    51,947.65/77,831.95 = 40,572.52/x
  3. Step 3: Cross multiply
    51,947.65x = 77,831.95 × 40,572.52
  4. Step 4: Simplify right side
    51,947.65x = 3,157,838,348.01
  5. Step 5: Solve for x
    x = 3,157,838,348.01/51,947.65
  6. Step 6: Final answer
    x = 60,788.86

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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.