Home / 42,344.09-63,524.36-12,760.46

Finding the Fourth Proportional to 42,344.09, 63,524.36 and 12,760.46

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Solution

The fourth proportional to 42,344.09, 63,524.36 and 12,760.46 is: 19,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,344.09 : 63,524.36 = 12,760.46 : x
  2. Step 2: Convert to fraction form
    42,344.09/63,524.36 = 12,760.46/x
  3. Step 3: Cross multiply
    42,344.09x = 63,524.36 × 12,760.46
  4. Step 4: Simplify right side
    42,344.09x = 810,599,769.08
  5. Step 5: Solve for x
    x = 810,599,769.08/42,344.09
  6. Step 6: Final answer
    x = 19,143.16

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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.