Home / 51,003.95-70,385.18-28,034.30

Finding the Fourth Proportional to 51,003.95, 70,385.18 and 28,034.30

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Solution

The fourth proportional to 51,003.95, 70,385.18 and 28,034.30 is: 38,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,003.95 : 70,385.18 = 28,034.30 : x
  2. Step 2: Convert to fraction form
    51,003.95/70,385.18 = 28,034.30/x
  3. Step 3: Cross multiply
    51,003.95x = 70,385.18 × 28,034.30
  4. Step 4: Simplify right side
    51,003.95x = 1,973,199,233.78
  5. Step 5: Solve for x
    x = 1,973,199,233.78/51,003.95
  6. Step 6: Final answer
    x = 38,687.19

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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.