Home / 31,702.05-47,554.43-11,982.13

Finding the Fourth Proportional to 31,702.05, 47,554.43 and 11,982.13

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Solution

The fourth proportional to 31,702.05, 47,554.43 and 11,982.13 is: 17,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.05 : 47,554.43 = 11,982.13 : x
  2. Step 2: Convert to fraction form
    31,702.05/47,554.43 = 11,982.13/x
  3. Step 3: Cross multiply
    31,702.05x = 47,554.43 × 11,982.13
  4. Step 4: Simplify right side
    31,702.05x = 569,803,183.54
  5. Step 5: Solve for x
    x = 569,803,183.54/31,702.05
  6. Step 6: Final answer
    x = 17,973.70

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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.