Home / 45,076.61-67,357.14-34,343.99

Finding the Fourth Proportional to 45,076.61, 67,357.14 and 34,343.99

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Solution

The fourth proportional to 45,076.61, 67,357.14 and 34,343.99 is: 51,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,076.61 : 67,357.14 = 34,343.99 : x
  2. Step 2: Convert to fraction form
    45,076.61/67,357.14 = 34,343.99/x
  3. Step 3: Cross multiply
    45,076.61x = 67,357.14 × 34,343.99
  4. Step 4: Simplify right side
    45,076.61x = 2,313,312,942.59
  5. Step 5: Solve for x
    x = 2,313,312,942.59/45,076.61
  6. Step 6: Final answer
    x = 51,319.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.