Home / 43,234.38-64,853.55-13,246.47

Finding the Fourth Proportional to 43,234.38, 64,853.55 and 13,246.47

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Solution

The fourth proportional to 43,234.38, 64,853.55 and 13,246.47 is: 19,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.38 : 64,853.55 = 13,246.47 : x
  2. Step 2: Convert to fraction form
    43,234.38/64,853.55 = 13,246.47/x
  3. Step 3: Cross multiply
    43,234.38x = 64,853.55 × 13,246.47
  4. Step 4: Simplify right side
    43,234.38x = 859,080,280.20
  5. Step 5: Solve for x
    x = 859,080,280.20/43,234.38
  6. Step 6: Final answer
    x = 19,870.31

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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.