Home / 83,683.57-125,525.28-21,354.07

Finding the Fourth Proportional to 83,683.57, 125,525.28 and 21,354.07

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Solution

The fourth proportional to 83,683.57, 125,525.28 and 21,354.07 is: 32,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.57 : 125,525.28 = 21,354.07 : x
  2. Step 2: Convert to fraction form
    83,683.57/125,525.28 = 21,354.07/x
  3. Step 3: Cross multiply
    83,683.57x = 125,525.28 × 21,354.07
  4. Step 4: Simplify right side
    83,683.57x = 2,680,474,988.26
  5. Step 5: Solve for x
    x = 2,680,474,988.26/83,683.57
  6. Step 6: Final answer
    x = 32,031.08

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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.