Home / 51,113.60-70,535.12-28,451.84

Finding the Fourth Proportional to 51,113.60, 70,535.12 and 28,451.84

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Solution

The fourth proportional to 51,113.60, 70,535.12 and 28,451.84 is: 39,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.60 : 70,535.12 = 28,451.84 : x
  2. Step 2: Convert to fraction form
    51,113.60/70,535.12 = 28,451.84/x
  3. Step 3: Cross multiply
    51,113.60x = 70,535.12 × 28,451.84
  4. Step 4: Simplify right side
    51,113.60x = 2,006,853,850.45
  5. Step 5: Solve for x
    x = 2,006,853,850.45/51,113.60
  6. Step 6: Final answer
    x = 39,262.62

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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.