Home / 52,378.62-71,811.18-51,430.92

Finding the Fourth Proportional to 52,378.62, 71,811.18 and 51,430.92

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Solution

The fourth proportional to 52,378.62, 71,811.18 and 51,430.92 is: 70,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.62 : 71,811.18 = 51,430.92 : x
  2. Step 2: Convert to fraction form
    52,378.62/71,811.18 = 51,430.92/x
  3. Step 3: Cross multiply
    52,378.62x = 71,811.18 × 51,430.92
  4. Step 4: Simplify right side
    52,378.62x = 3,693,315,053.69
  5. Step 5: Solve for x
    x = 3,693,315,053.69/52,378.62
  6. Step 6: Final answer
    x = 70,511.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.