Home / 31,945.44-47,918.16-12,230.04

Finding the Fourth Proportional to 31,945.44, 47,918.16 and 12,230.04

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Solution

The fourth proportional to 31,945.44, 47,918.16 and 12,230.04 is: 18,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.44 : 47,918.16 = 12,230.04 : x
  2. Step 2: Convert to fraction form
    31,945.44/47,918.16 = 12,230.04/x
  3. Step 3: Cross multiply
    31,945.44x = 47,918.16 × 12,230.04
  4. Step 4: Simplify right side
    31,945.44x = 586,041,013.53
  5. Step 5: Solve for x
    x = 586,041,013.53/31,945.44
  6. Step 6: Final answer
    x = 18,345.06

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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.