Home / 30,731.67-42,320.48-26,696.66

Finding the Fourth Proportional to 30,731.67, 42,320.48 and 26,696.66

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Solution

The fourth proportional to 30,731.67, 42,320.48 and 26,696.66 is: 36,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.67 : 42,320.48 = 26,696.66 : x
  2. Step 2: Convert to fraction form
    30,731.67/42,320.48 = 26,696.66/x
  3. Step 3: Cross multiply
    30,731.67x = 42,320.48 × 26,696.66
  4. Step 4: Simplify right side
    30,731.67x = 1,129,815,120.51
  5. Step 5: Solve for x
    x = 1,129,815,120.51/30,731.67
  6. Step 6: Final answer
    x = 36,763.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.