Home / 50,809.28-70,151.02-31,718.12

Finding the Fourth Proportional to 50,809.28, 70,151.02 and 31,718.12

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Solution

The fourth proportional to 50,809.28, 70,151.02 and 31,718.12 is: 43,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.28 : 70,151.02 = 31,718.12 : x
  2. Step 2: Convert to fraction form
    50,809.28/70,151.02 = 31,718.12/x
  3. Step 3: Cross multiply
    50,809.28x = 70,151.02 × 31,718.12
  4. Step 4: Simplify right side
    50,809.28x = 2,225,058,470.48
  5. Step 5: Solve for x
    x = 2,225,058,470.48/50,809.28
  6. Step 6: Final answer
    x = 43,792.36

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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.