Home / 41,439.30-57,206.66-28,702.15

Finding the Fourth Proportional to 41,439.30, 57,206.66 and 28,702.15

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Solution

The fourth proportional to 41,439.30, 57,206.66 and 28,702.15 is: 39,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,439.30 : 57,206.66 = 28,702.15 : x
  2. Step 2: Convert to fraction form
    41,439.30/57,206.66 = 28,702.15/x
  3. Step 3: Cross multiply
    41,439.30x = 57,206.66 × 28,702.15
  4. Step 4: Simplify right side
    41,439.30x = 1,641,953,849.79
  5. Step 5: Solve for x
    x = 1,641,953,849.79/41,439.30
  6. Step 6: Final answer
    x = 39,623.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.