Home / 40,661.39-60,945.29-15,690.40

Finding the Fourth Proportional to 40,661.39, 60,945.29 and 15,690.40

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Solution

The fourth proportional to 40,661.39, 60,945.29 and 15,690.40 is: 23,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.39 : 60,945.29 = 15,690.40 : x
  2. Step 2: Convert to fraction form
    40,661.39/60,945.29 = 15,690.40/x
  3. Step 3: Cross multiply
    40,661.39x = 60,945.29 × 15,690.40
  4. Step 4: Simplify right side
    40,661.39x = 956,255,806.24
  5. Step 5: Solve for x
    x = 956,255,806.24/40,661.39
  6. Step 6: Final answer
    x = 23,517.54

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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.