Home / 31,470.24-47,170.80-10,678.08

Finding the Fourth Proportional to 31,470.24, 47,170.80 and 10,678.08

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Solution

The fourth proportional to 31,470.24, 47,170.80 and 10,678.08 is: 16,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.24 : 47,170.80 = 10,678.08 : x
  2. Step 2: Convert to fraction form
    31,470.24/47,170.80 = 10,678.08/x
  3. Step 3: Cross multiply
    31,470.24x = 47,170.80 × 10,678.08
  4. Step 4: Simplify right side
    31,470.24x = 503,693,576.06
  5. Step 5: Solve for x
    x = 503,693,576.06/31,470.24
  6. Step 6: Final answer
    x = 16,005.39

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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.