Home / 31,110.08-42,934.46-17,685.54

Finding the Fourth Proportional to 31,110.08, 42,934.46 and 17,685.54

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Solution

The fourth proportional to 31,110.08, 42,934.46 and 17,685.54 is: 24,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.08 : 42,934.46 = 17,685.54 : x
  2. Step 2: Convert to fraction form
    31,110.08/42,934.46 = 17,685.54/x
  3. Step 3: Cross multiply
    31,110.08x = 42,934.46 × 17,685.54
  4. Step 4: Simplify right side
    31,110.08x = 759,319,021.28
  5. Step 5: Solve for x
    x = 759,319,021.28/31,110.08
  6. Step 6: Final answer
    x = 24,407.50

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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.