Home / 48,822.40-67,366.92-28,675

Finding the Fourth Proportional to 48,822.40, 67,366.92 and 28,675

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Solution

The fourth proportional to 48,822.40, 67,366.92 and 28,675 is: 39,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,822.40 : 67,366.92 = 28,675 : x
  2. Step 2: Convert to fraction form
    48,822.40/67,366.92 = 28,675/x
  3. Step 3: Cross multiply
    48,822.40x = 67,366.92 × 28,675
  4. Step 4: Simplify right side
    48,822.40x = 1,931,746,431
  5. Step 5: Solve for x
    x = 1,931,746,431/48,822.40
  6. Step 6: Final answer
    x = 39,566.81

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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.