Home / 83,685.09-125,527.64-21,355.59

Finding the Fourth Proportional to 83,685.09, 125,527.64 and 21,355.59

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Solution

The fourth proportional to 83,685.09, 125,527.64 and 21,355.59 is: 32,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,685.09 : 125,527.64 = 21,355.59 : x
  2. Step 2: Convert to fraction form
    83,685.09/125,527.64 = 21,355.59/x
  3. Step 3: Cross multiply
    83,685.09x = 125,527.64 × 21,355.59
  4. Step 4: Simplify right side
    83,685.09x = 2,680,716,706.73
  5. Step 5: Solve for x
    x = 2,680,716,706.73/83,685.09
  6. Step 6: Final answer
    x = 32,033.39

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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.