Home / 43,702.40-65,553.96-12,538.64

Finding the Fourth Proportional to 43,702.40, 65,553.96 and 12,538.64

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Solution

The fourth proportional to 43,702.40, 65,553.96 and 12,538.64 is: 18,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.40 : 65,553.96 = 12,538.64 : x
  2. Step 2: Convert to fraction form
    43,702.40/65,553.96 = 12,538.64/x
  3. Step 3: Cross multiply
    43,702.40x = 65,553.96 × 12,538.64
  4. Step 4: Simplify right side
    43,702.40x = 821,957,505.01
  5. Step 5: Solve for x
    x = 821,957,505.01/43,702.40
  6. Step 6: Final answer
    x = 18,808.06

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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.