Home / 34,279.86-47,301.48-19,171.74

Finding the Fourth Proportional to 34,279.86, 47,301.48 and 19,171.74

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Solution

The fourth proportional to 34,279.86, 47,301.48 and 19,171.74 is: 26,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.86 : 47,301.48 = 19,171.74 : x
  2. Step 2: Convert to fraction form
    34,279.86/47,301.48 = 19,171.74/x
  3. Step 3: Cross multiply
    34,279.86x = 47,301.48 × 19,171.74
  4. Step 4: Simplify right side
    34,279.86x = 906,851,676.18
  5. Step 5: Solve for x
    x = 906,851,676.18/34,279.86
  6. Step 6: Final answer
    x = 26,454.36

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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.