Home / 43,506.50-65,251.92-19,808.40

Finding the Fourth Proportional to 43,506.50, 65,251.92 and 19,808.40

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Solution

The fourth proportional to 43,506.50, 65,251.92 and 19,808.40 is: 29,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,506.50 : 65,251.92 = 19,808.40 : x
  2. Step 2: Convert to fraction form
    43,506.50/65,251.92 = 19,808.40/x
  3. Step 3: Cross multiply
    43,506.50x = 65,251.92 × 19,808.40
  4. Step 4: Simplify right side
    43,506.50x = 1,292,536,132.13
  5. Step 5: Solve for x
    x = 1,292,536,132.13/43,506.50
  6. Step 6: Final answer
    x = 29,709.04

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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.