Home / 31,015.38-42,693.18-27,029.58

Finding the Fourth Proportional to 31,015.38, 42,693.18 and 27,029.58

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Solution

The fourth proportional to 31,015.38, 42,693.18 and 27,029.58 is: 37,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.38 : 42,693.18 = 27,029.58 : x
  2. Step 2: Convert to fraction form
    31,015.38/42,693.18 = 27,029.58/x
  3. Step 3: Cross multiply
    31,015.38x = 42,693.18 × 27,029.58
  4. Step 4: Simplify right side
    31,015.38x = 1,153,978,724.26
  5. Step 5: Solve for x
    x = 1,153,978,724.26/31,015.38
  6. Step 6: Final answer
    x = 37,206.66

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1.5x scale

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.