Home / 48,707.66-67,231.88-28,572.68

Finding the Fourth Proportional to 48,707.66, 67,231.88 and 28,572.68

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Solution

The fourth proportional to 48,707.66, 67,231.88 and 28,572.68 is: 39,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.66 : 67,231.88 = 28,572.68 : x
  2. Step 2: Convert to fraction form
    48,707.66/67,231.88 = 28,572.68/x
  3. Step 3: Cross multiply
    48,707.66x = 67,231.88 × 28,572.68
  4. Step 4: Simplify right side
    48,707.66x = 1,920,994,621.16
  5. Step 5: Solve for x
    x = 1,920,994,621.16/48,707.66
  6. Step 6: Final answer
    x = 39,439.28

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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.