Home / 48,012.55-66,279.72-27,865.52

Finding the Fourth Proportional to 48,012.55, 66,279.72 and 27,865.52

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Solution

The fourth proportional to 48,012.55, 66,279.72 and 27,865.52 is: 38,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,012.55 : 66,279.72 = 27,865.52 : x
  2. Step 2: Convert to fraction form
    48,012.55/66,279.72 = 27,865.52/x
  3. Step 3: Cross multiply
    48,012.55x = 66,279.72 × 27,865.52
  4. Step 4: Simplify right side
    48,012.55x = 1,846,918,728.16
  5. Step 5: Solve for x
    x = 1,846,918,728.16/48,012.55
  6. Step 6: Final answer
    x = 38,467.42

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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.