Home / 43,901.80-65,660.70-39,255.40

Finding the Fourth Proportional to 43,901.80, 65,660.70 and 39,255.40

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Solution

The fourth proportional to 43,901.80, 65,660.70 and 39,255.40 is: 58,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,901.80 : 65,660.70 = 39,255.40 : x
  2. Step 2: Convert to fraction form
    43,901.80/65,660.70 = 39,255.40/x
  3. Step 3: Cross multiply
    43,901.80x = 65,660.70 × 39,255.40
  4. Step 4: Simplify right side
    43,901.80x = 2,577,537,042.78
  5. Step 5: Solve for x
    x = 2,577,537,042.78/43,901.80
  6. Step 6: Final answer
    x = 58,711.42

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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.