Home / 48,291.57-66,639.60-28,151.73

Finding the Fourth Proportional to 48,291.57, 66,639.60 and 28,151.73

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Solution

The fourth proportional to 48,291.57, 66,639.60 and 28,151.73 is: 38,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.57 : 66,639.60 = 28,151.73 : x
  2. Step 2: Convert to fraction form
    48,291.57/66,639.60 = 28,151.73/x
  3. Step 3: Cross multiply
    48,291.57x = 66,639.60 × 28,151.73
  4. Step 4: Simplify right side
    48,291.57x = 1,876,020,026.51
  5. Step 5: Solve for x
    x = 1,876,020,026.51/48,291.57
  6. Step 6: Final answer
    x = 38,847.77

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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.