Home / 43,092.81-64,639.22-13,512.95

Finding the Fourth Proportional to 43,092.81, 64,639.22 and 13,512.95

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Solution

The fourth proportional to 43,092.81, 64,639.22 and 13,512.95 is: 20,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092.81 : 64,639.22 = 13,512.95 : x
  2. Step 2: Convert to fraction form
    43,092.81/64,639.22 = 13,512.95/x
  3. Step 3: Cross multiply
    43,092.81x = 64,639.22 × 13,512.95
  4. Step 4: Simplify right side
    43,092.81x = 873,466,581.33
  5. Step 5: Solve for x
    x = 873,466,581.33/43,092.81
  6. Step 6: Final answer
    x = 20,269.43

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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.