Home / 71,176.32-98,219.49-39,343.32

Finding the Fourth Proportional to 71,176.32, 98,219.49 and 39,343.32

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Solution

The fourth proportional to 71,176.32, 98,219.49 and 39,343.32 is: 54,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.32 : 98,219.49 = 39,343.32 : x
  2. Step 2: Convert to fraction form
    71,176.32/98,219.49 = 39,343.32/x
  3. Step 3: Cross multiply
    71,176.32x = 98,219.49 × 39,343.32
  4. Step 4: Simplify right side
    71,176.32x = 3,864,280,677.77
  5. Step 5: Solve for x
    x = 3,864,280,677.77/71,176.32
  6. Step 6: Final answer
    x = 54,291.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.