Home / 52,003.08-71,764.16-28,129.68

Finding the Fourth Proportional to 52,003.08, 71,764.16 and 28,129.68

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Solution

The fourth proportional to 52,003.08, 71,764.16 and 28,129.68 is: 38,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003.08 : 71,764.16 = 28,129.68 : x
  2. Step 2: Convert to fraction form
    52,003.08/71,764.16 = 28,129.68/x
  3. Step 3: Cross multiply
    52,003.08x = 71,764.16 × 28,129.68
  4. Step 4: Simplify right side
    52,003.08x = 2,018,702,497.45
  5. Step 5: Solve for x
    x = 2,018,702,497.45/52,003.08
  6. Step 6: Final answer
    x = 38,818.91

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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.