Home / 51,204.96-70,662.68-28,543.70

Finding the Fourth Proportional to 51,204.96, 70,662.68 and 28,543.70

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Solution

The fourth proportional to 51,204.96, 70,662.68 and 28,543.70 is: 39,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.96 : 70,662.68 = 28,543.70 : x
  2. Step 2: Convert to fraction form
    51,204.96/70,662.68 = 28,543.70/x
  3. Step 3: Cross multiply
    51,204.96x = 70,662.68 × 28,543.70
  4. Step 4: Simplify right side
    51,204.96x = 2,016,974,339.12
  5. Step 5: Solve for x
    x = 2,016,974,339.12/51,204.96
  6. Step 6: Final answer
    x = 39,390.21

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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.