Home / 48,715.74-67,220.49-29,585.54

Finding the Fourth Proportional to 48,715.74, 67,220.49 and 29,585.54

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Solution

The fourth proportional to 48,715.74, 67,220.49 and 29,585.54 is: 40,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,715.74 : 67,220.49 = 29,585.54 : x
  2. Step 2: Convert to fraction form
    48,715.74/67,220.49 = 29,585.54/x
  3. Step 3: Cross multiply
    48,715.74x = 67,220.49 × 29,585.54
  4. Step 4: Simplify right side
    48,715.74x = 1,988,754,159.61
  5. Step 5: Solve for x
    x = 1,988,754,159.61/48,715.74
  6. Step 6: Final answer
    x = 40,823.65

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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.