Home / 43,171.74-64,762.25-13,590.46

Finding the Fourth Proportional to 43,171.74, 64,762.25 and 13,590.46

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Solution

The fourth proportional to 43,171.74, 64,762.25 and 13,590.46 is: 20,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.74 : 64,762.25 = 13,590.46 : x
  2. Step 2: Convert to fraction form
    43,171.74/64,762.25 = 13,590.46/x
  3. Step 3: Cross multiply
    43,171.74x = 64,762.25 × 13,590.46
  4. Step 4: Simplify right side
    43,171.74x = 880,148,768.14
  5. Step 5: Solve for x
    x = 880,148,768.14/43,171.74
  6. Step 6: Final answer
    x = 20,387.15

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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.