Home / 40,391.51-60,589.26-15,433.70

Finding the Fourth Proportional to 40,391.51, 60,589.26 and 15,433.70

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Solution

The fourth proportional to 40,391.51, 60,589.26 and 15,433.70 is: 23,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.51 : 60,589.26 = 15,433.70 : x
  2. Step 2: Convert to fraction form
    40,391.51/60,589.26 = 15,433.70/x
  3. Step 3: Cross multiply
    40,391.51x = 60,589.26 × 15,433.70
  4. Step 4: Simplify right side
    40,391.51x = 935,116,159.12
  5. Step 5: Solve for x
    x = 935,116,159.12/40,391.51
  6. Step 6: Final answer
    x = 23,151.31

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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.