Home / 48,133.52-66,397.60-27,988.20

Finding the Fourth Proportional to 48,133.52, 66,397.60 and 27,988.20

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Solution

The fourth proportional to 48,133.52, 66,397.60 and 27,988.20 is: 38,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133.52 : 66,397.60 = 27,988.20 : x
  2. Step 2: Convert to fraction form
    48,133.52/66,397.60 = 27,988.20/x
  3. Step 3: Cross multiply
    48,133.52x = 66,397.60 × 27,988.20
  4. Step 4: Simplify right side
    48,133.52x = 1,858,349,308.32
  5. Step 5: Solve for x
    x = 1,858,349,308.32/48,133.52
  6. Step 6: Final answer
    x = 38,608.22

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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.