Home / 39,656.34-54,726.17-21,750.89

Finding the Fourth Proportional to 39,656.34, 54,726.17 and 21,750.89

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Solution

The fourth proportional to 39,656.34, 54,726.17 and 21,750.89 is: 30,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.34 : 54,726.17 = 21,750.89 : x
  2. Step 2: Convert to fraction form
    39,656.34/54,726.17 = 21,750.89/x
  3. Step 3: Cross multiply
    39,656.34x = 54,726.17 × 21,750.89
  4. Step 4: Simplify right side
    39,656.34x = 1,190,342,521.41
  5. Step 5: Solve for x
    x = 1,190,342,521.41/39,656.34
  6. Step 6: Final answer
    x = 30,016.45

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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.