Home / 31,443.19-47,164.78-8,069.63

Finding the Fourth Proportional to 31,443.19, 47,164.78 and 8,069.63

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Solution

The fourth proportional to 31,443.19, 47,164.78 and 8,069.63 is: 12,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.19 : 47,164.78 = 8,069.63 : x
  2. Step 2: Convert to fraction form
    31,443.19/47,164.78 = 8,069.63/x
  3. Step 3: Cross multiply
    31,443.19x = 47,164.78 × 8,069.63
  4. Step 4: Simplify right side
    31,443.19x = 380,602,097.89
  5. Step 5: Solve for x
    x = 380,602,097.89/31,443.19
  6. Step 6: Final answer
    x = 12,104.44

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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.