Home / 48,915.48-67,496.76-28,760.70

Finding the Fourth Proportional to 48,915.48, 67,496.76 and 28,760.70

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Solution

The fourth proportional to 48,915.48, 67,496.76 and 28,760.70 is: 39,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,915.48 : 67,496.76 = 28,760.70 : x
  2. Step 2: Convert to fraction form
    48,915.48/67,496.76 = 28,760.70/x
  3. Step 3: Cross multiply
    48,915.48x = 67,496.76 × 28,760.70
  4. Step 4: Simplify right side
    48,915.48x = 1,941,254,065.33
  5. Step 5: Solve for x
    x = 1,941,254,065.33/48,915.48
  6. Step 6: Final answer
    x = 39,685.88

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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.