Home / 34,279.74-47,306.84-19,171.76

Finding the Fourth Proportional to 34,279.74, 47,306.84 and 19,171.76

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Solution

The fourth proportional to 34,279.74, 47,306.84 and 19,171.76 is: 26,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.74 : 47,306.84 = 19,171.76 : x
  2. Step 2: Convert to fraction form
    34,279.74/47,306.84 = 19,171.76/x
  3. Step 3: Cross multiply
    34,279.74x = 47,306.84 × 19,171.76
  4. Step 4: Simplify right side
    34,279.74x = 906,955,050.45
  5. Step 5: Solve for x
    x = 906,955,050.45/34,279.74
  6. Step 6: Final answer
    x = 26,457.47

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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.