Home / 50,381.16-75,572-15,320.71

Finding the Fourth Proportional to 50,381.16, 75,572 and 15,320.71

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Solution

The fourth proportional to 50,381.16, 75,572 and 15,320.71 is: 22,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,381.16 : 75,572 = 15,320.71 : x
  2. Step 2: Convert to fraction form
    50,381.16/75,572 = 15,320.71/x
  3. Step 3: Cross multiply
    50,381.16x = 75,572 × 15,320.71
  4. Step 4: Simplify right side
    50,381.16x = 1,157,816,696.12
  5. Step 5: Solve for x
    x = 1,157,816,696.12/50,381.16
  6. Step 6: Final answer
    x = 22,981.14

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1.5x scale

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.