Home / 31,693.74-47,540.55-12,726.91

Finding the Fourth Proportional to 31,693.74, 47,540.55 and 12,726.91

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Solution

The fourth proportional to 31,693.74, 47,540.55 and 12,726.91 is: 19,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.74 : 47,540.55 = 12,726.91 : x
  2. Step 2: Convert to fraction form
    31,693.74/47,540.55 = 12,726.91/x
  3. Step 3: Cross multiply
    31,693.74x = 47,540.55 × 12,726.91
  4. Step 4: Simplify right side
    31,693.74x = 605,044,301.20
  5. Step 5: Solve for x
    x = 605,044,301.20/31,693.74
  6. Step 6: Final answer
    x = 19,090.34

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1.5x scale

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.