Home / 34,279.32-47,305.33-19,171.92

Finding the Fourth Proportional to 34,279.32, 47,305.33 and 19,171.92

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Solution

The fourth proportional to 34,279.32, 47,305.33 and 19,171.92 is: 26,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.32 : 47,305.33 = 19,171.92 : x
  2. Step 2: Convert to fraction form
    34,279.32/47,305.33 = 19,171.92/x
  3. Step 3: Cross multiply
    34,279.32x = 47,305.33 × 19,171.92
  4. Step 4: Simplify right side
    34,279.32x = 906,933,954.40
  5. Step 5: Solve for x
    x = 906,933,954.40/34,279.32
  6. Step 6: Final answer
    x = 26,457.17

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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.