Home / 43,162.16-64,726.22-20,968.97

Finding the Fourth Proportional to 43,162.16, 64,726.22 and 20,968.97

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Solution

The fourth proportional to 43,162.16, 64,726.22 and 20,968.97 is: 31,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.16 : 64,726.22 = 20,968.97 : x
  2. Step 2: Convert to fraction form
    43,162.16/64,726.22 = 20,968.97/x
  3. Step 3: Cross multiply
    43,162.16x = 64,726.22 × 20,968.97
  4. Step 4: Simplify right side
    43,162.16x = 1,357,241,894.18
  5. Step 5: Solve for x
    x = 1,357,241,894.18/43,162.16
  6. Step 6: Final answer
    x = 31,445.18

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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.