Home / 43,235.16-64,863.28-18,261.80

Finding the Fourth Proportional to 43,235.16, 64,863.28 and 18,261.80

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Solution

The fourth proportional to 43,235.16, 64,863.28 and 18,261.80 is: 27,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.16 : 64,863.28 = 18,261.80 : x
  2. Step 2: Convert to fraction form
    43,235.16/64,863.28 = 18,261.80/x
  3. Step 3: Cross multiply
    43,235.16x = 64,863.28 × 18,261.80
  4. Step 4: Simplify right side
    43,235.16x = 1,184,520,246.70
  5. Step 5: Solve for x
    x = 1,184,520,246.70/43,235.16
  6. Step 6: Final answer
    x = 27,397.15

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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.