Home / 43,702.91-65,554.40-18,726.75

Finding the Fourth Proportional to 43,702.91, 65,554.40 and 18,726.75

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Solution

The fourth proportional to 43,702.91, 65,554.40 and 18,726.75 is: 28,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.91 : 65,554.40 = 18,726.75 : x
  2. Step 2: Convert to fraction form
    43,702.91/65,554.40 = 18,726.75/x
  3. Step 3: Cross multiply
    43,702.91x = 65,554.40 × 18,726.75
  4. Step 4: Simplify right side
    43,702.91x = 1,227,620,766.57
  5. Step 5: Solve for x
    x = 1,227,620,766.57/43,702.91
  6. Step 6: Final answer
    x = 28,090.14

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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.