Home / 40,695.74-61,066.29-21,975.38

Finding the Fourth Proportional to 40,695.74, 61,066.29 and 21,975.38

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Solution

The fourth proportional to 40,695.74, 61,066.29 and 21,975.38 is: 32,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.74 : 61,066.29 = 21,975.38 : x
  2. Step 2: Convert to fraction form
    40,695.74/61,066.29 = 21,975.38/x
  3. Step 3: Cross multiply
    40,695.74x = 61,066.29 × 21,975.38
  4. Step 4: Simplify right side
    40,695.74x = 1,341,954,927.94
  5. Step 5: Solve for x
    x = 1,341,954,927.94/40,695.74
  6. Step 6: Final answer
    x = 32,975.32

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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.