Home / 48,929.36-67,521.38-28,787.54

Finding the Fourth Proportional to 48,929.36, 67,521.38 and 28,787.54

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Solution

The fourth proportional to 48,929.36, 67,521.38 and 28,787.54 is: 39,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.36 : 67,521.38 = 28,787.54 : x
  2. Step 2: Convert to fraction form
    48,929.36/67,521.38 = 28,787.54/x
  3. Step 3: Cross multiply
    48,929.36x = 67,521.38 × 28,787.54
  4. Step 4: Simplify right side
    48,929.36x = 1,943,774,452.47
  5. Step 5: Solve for x
    x = 1,943,774,452.47/48,929.36
  6. Step 6: Final answer
    x = 39,726.13

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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.