Home / 48,514.20-66,965.04-28,379.22

Finding the Fourth Proportional to 48,514.20, 66,965.04 and 28,379.22

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Solution

The fourth proportional to 48,514.20, 66,965.04 and 28,379.22 is: 39,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,514.20 : 66,965.04 = 28,379.22 : x
  2. Step 2: Convert to fraction form
    48,514.20/66,965.04 = 28,379.22/x
  3. Step 3: Cross multiply
    48,514.20x = 66,965.04 × 28,379.22
  4. Step 4: Simplify right side
    48,514.20x = 1,900,415,602.47
  5. Step 5: Solve for x
    x = 1,900,415,602.47/48,514.20
  6. Step 6: Final answer
    x = 39,172.36

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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.