Home / 48,728.16-67,240.80-28,582.92

Finding the Fourth Proportional to 48,728.16, 67,240.80 and 28,582.92

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Solution

The fourth proportional to 48,728.16, 67,240.80 and 28,582.92 is: 39,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.16 : 67,240.80 = 28,582.92 : x
  2. Step 2: Convert to fraction form
    48,728.16/67,240.80 = 28,582.92/x
  3. Step 3: Cross multiply
    48,728.16x = 67,240.80 × 28,582.92
  4. Step 4: Simplify right side
    48,728.16x = 1,921,938,407.14
  5. Step 5: Solve for x
    x = 1,921,938,407.14/48,728.16
  6. Step 6: Final answer
    x = 39,442.05

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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.