Home / 43,242.98-64,889.46-18,281.40

Finding the Fourth Proportional to 43,242.98, 64,889.46 and 18,281.40

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Solution

The fourth proportional to 43,242.98, 64,889.46 and 18,281.40 is: 27,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.98 : 64,889.46 = 18,281.40 : x
  2. Step 2: Convert to fraction form
    43,242.98/64,889.46 = 18,281.40/x
  3. Step 3: Cross multiply
    43,242.98x = 64,889.46 × 18,281.40
  4. Step 4: Simplify right side
    43,242.98x = 1,186,270,174.04
  5. Step 5: Solve for x
    x = 1,186,270,174.04/43,242.98
  6. Step 6: Final answer
    x = 27,432.66

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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.