Home / 43,165.26-64,751.40-12,000.48

Finding the Fourth Proportional to 43,165.26, 64,751.40 and 12,000.48

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Solution

The fourth proportional to 43,165.26, 64,751.40 and 12,000.48 is: 18,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,165.26 : 64,751.40 = 12,000.48 : x
  2. Step 2: Convert to fraction form
    43,165.26/64,751.40 = 12,000.48/x
  3. Step 3: Cross multiply
    43,165.26x = 64,751.40 × 12,000.48
  4. Step 4: Simplify right side
    43,165.26x = 777,047,880.67
  5. Step 5: Solve for x
    x = 777,047,880.67/43,165.26
  6. Step 6: Final answer
    x = 18,001.70

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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.