Home / 50,809.27-70,151.01-31,718.11

Finding the Fourth Proportional to 50,809.27, 70,151.01 and 31,718.11

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Solution

The fourth proportional to 50,809.27, 70,151.01 and 31,718.11 is: 43,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.27 : 70,151.01 = 31,718.11 : x
  2. Step 2: Convert to fraction form
    50,809.27/70,151.01 = 31,718.11/x
  3. Step 3: Cross multiply
    50,809.27x = 70,151.01 × 31,718.11
  4. Step 4: Simplify right side
    50,809.27x = 2,225,057,451.79
  5. Step 5: Solve for x
    x = 2,225,057,451.79/50,809.27
  6. Step 6: Final answer
    x = 43,792.35

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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.