Home / 40,307.04-60,360-25,471.20

Finding the Fourth Proportional to 40,307.04, 60,360 and 25,471.20

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Solution

The fourth proportional to 40,307.04, 60,360 and 25,471.20 is: 38,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.04 : 60,360 = 25,471.20 : x
  2. Step 2: Convert to fraction form
    40,307.04/60,360 = 25,471.20/x
  3. Step 3: Cross multiply
    40,307.04x = 60,360 × 25,471.20
  4. Step 4: Simplify right side
    40,307.04x = 1,537,441,632
  5. Step 5: Solve for x
    x = 1,537,441,632/40,307.04
  6. Step 6: Final answer
    x = 38,143.25

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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.