Home / 40,291.63-60,437.66-13,637.88

Finding the Fourth Proportional to 40,291.63, 60,437.66 and 13,637.88

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Solution

The fourth proportional to 40,291.63, 60,437.66 and 13,637.88 is: 20,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.63 : 60,437.66 = 13,637.88 : x
  2. Step 2: Convert to fraction form
    40,291.63/60,437.66 = 13,637.88/x
  3. Step 3: Cross multiply
    40,291.63x = 60,437.66 × 13,637.88
  4. Step 4: Simplify right side
    40,291.63x = 824,241,554.56
  5. Step 5: Solve for x
    x = 824,241,554.56/40,291.63
  6. Step 6: Final answer
    x = 20,456.89

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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.