Home / 48,677.78-67,182.06-28,539.62

Finding the Fourth Proportional to 48,677.78, 67,182.06 and 28,539.62

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Solution

The fourth proportional to 48,677.78, 67,182.06 and 28,539.62 is: 39,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,677.78 : 67,182.06 = 28,539.62 : x
  2. Step 2: Convert to fraction form
    48,677.78/67,182.06 = 28,539.62/x
  3. Step 3: Cross multiply
    48,677.78x = 67,182.06 × 28,539.62
  4. Step 4: Simplify right side
    48,677.78x = 1,917,350,463.22
  5. Step 5: Solve for x
    x = 1,917,350,463.22/48,677.78
  6. Step 6: Final answer
    x = 39,388.62

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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.