Home / 83,688.33-125,532.39-21,358.83

Finding the Fourth Proportional to 83,688.33, 125,532.39 and 21,358.83

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Solution

The fourth proportional to 83,688.33, 125,532.39 and 21,358.83 is: 32,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,688.33 : 125,532.39 = 21,358.83 : x
  2. Step 2: Convert to fraction form
    83,688.33/125,532.39 = 21,358.83/x
  3. Step 3: Cross multiply
    83,688.33x = 125,532.39 × 21,358.83
  4. Step 4: Simplify right side
    83,688.33x = 2,681,224,977.50
  5. Step 5: Solve for x
    x = 2,681,224,977.50/83,688.33
  6. Step 6: Final answer
    x = 32,038.22

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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.