Home / 51,147.11-70,577.93-28,488.20

Finding the Fourth Proportional to 51,147.11, 70,577.93 and 28,488.20

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Solution

The fourth proportional to 51,147.11, 70,577.93 and 28,488.20 is: 39,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.11 : 70,577.93 = 28,488.20 : x
  2. Step 2: Convert to fraction form
    51,147.11/70,577.93 = 28,488.20/x
  3. Step 3: Cross multiply
    51,147.11x = 70,577.93 × 28,488.20
  4. Step 4: Simplify right side
    51,147.11x = 2,010,637,903.76
  5. Step 5: Solve for x
    x = 2,010,637,903.76/51,147.11
  6. Step 6: Final answer
    x = 39,310.88

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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.