Home / 35,686.92-49,275.90-28,644.78

Finding the Fourth Proportional to 35,686.92, 49,275.90 and 28,644.78

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Solution

The fourth proportional to 35,686.92, 49,275.90 and 28,644.78 is: 39,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.92 : 49,275.90 = 28,644.78 : x
  2. Step 2: Convert to fraction form
    35,686.92/49,275.90 = 28,644.78/x
  3. Step 3: Cross multiply
    35,686.92x = 49,275.90 × 28,644.78
  4. Step 4: Simplify right side
    35,686.92x = 1,411,497,314.80
  5. Step 5: Solve for x
    x = 1,411,497,314.80/35,686.92
  6. Step 6: Final answer
    x = 39,552.23

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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.