Home / 51,110.55-70,532.55-28,449.05

Finding the Fourth Proportional to 51,110.55, 70,532.55 and 28,449.05

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Solution

The fourth proportional to 51,110.55, 70,532.55 and 28,449.05 is: 39,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.55 : 70,532.55 = 28,449.05 : x
  2. Step 2: Convert to fraction form
    51,110.55/70,532.55 = 28,449.05/x
  3. Step 3: Cross multiply
    51,110.55x = 70,532.55 × 28,449.05
  4. Step 4: Simplify right side
    51,110.55x = 2,006,584,217.91
  5. Step 5: Solve for x
    x = 2,006,584,217.91/51,110.55
  6. Step 6: Final answer
    x = 39,259.69

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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.