Home / 34,459.55-47,500.30-28,812.99

Finding the Fourth Proportional to 34,459.55, 47,500.30 and 28,812.99

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Solution

The fourth proportional to 34,459.55, 47,500.30 and 28,812.99 is: 39,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,459.55 : 47,500.30 = 28,812.99 : x
  2. Step 2: Convert to fraction form
    34,459.55/47,500.30 = 28,812.99/x
  3. Step 3: Cross multiply
    34,459.55x = 47,500.30 × 28,812.99
  4. Step 4: Simplify right side
    34,459.55x = 1,368,625,668.90
  5. Step 5: Solve for x
    x = 1,368,625,668.90/34,459.55
  6. Step 6: Final answer
    x = 39,716.88

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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.