Home / 48,680.81-67,180.38-28,552.21

Finding the Fourth Proportional to 48,680.81, 67,180.38 and 28,552.21

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Solution

The fourth proportional to 48,680.81, 67,180.38 and 28,552.21 is: 39,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,680.81 : 67,180.38 = 28,552.21 : x
  2. Step 2: Convert to fraction form
    48,680.81/67,180.38 = 28,552.21/x
  3. Step 3: Cross multiply
    48,680.81x = 67,180.38 × 28,552.21
  4. Step 4: Simplify right side
    48,680.81x = 1,918,148,317.64
  5. Step 5: Solve for x
    x = 1,918,148,317.64/48,680.81
  6. Step 6: Final answer
    x = 39,402.56

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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.