Home / 45,276.57-67,916.61-21,571.92

Finding the Fourth Proportional to 45,276.57, 67,916.61 and 21,571.92

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Solution

The fourth proportional to 45,276.57, 67,916.61 and 21,571.92 is: 32,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276.57 : 67,916.61 = 21,571.92 : x
  2. Step 2: Convert to fraction form
    45,276.57/67,916.61 = 21,571.92/x
  3. Step 3: Cross multiply
    45,276.57x = 67,916.61 × 21,571.92
  4. Step 4: Simplify right side
    45,276.57x = 1,465,091,677.59
  5. Step 5: Solve for x
    x = 1,465,091,677.59/45,276.57
  6. Step 6: Final answer
    x = 32,358.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.