Home / 40,081.31-60,120.32-10,498.49

Finding the Fourth Proportional to 40,081.31, 60,120.32 and 10,498.49

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Solution

The fourth proportional to 40,081.31, 60,120.32 and 10,498.49 is: 15,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.31 : 60,120.32 = 10,498.49 : x
  2. Step 2: Convert to fraction form
    40,081.31/60,120.32 = 10,498.49/x
  3. Step 3: Cross multiply
    40,081.31x = 60,120.32 × 10,498.49
  4. Step 4: Simplify right side
    40,081.31x = 631,172,225.22
  5. Step 5: Solve for x
    x = 631,172,225.22/40,081.31
  6. Step 6: Final answer
    x = 15,747.30

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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.