Home / 31,125.22-42,951.08-17,694.62

Finding the Fourth Proportional to 31,125.22, 42,951.08 and 17,694.62

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Solution

The fourth proportional to 31,125.22, 42,951.08 and 17,694.62 is: 24,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.22 : 42,951.08 = 17,694.62 : x
  2. Step 2: Convert to fraction form
    31,125.22/42,951.08 = 17,694.62/x
  3. Step 3: Cross multiply
    31,125.22x = 42,951.08 × 17,694.62
  4. Step 4: Simplify right side
    31,125.22x = 760,003,039.19
  5. Step 5: Solve for x
    x = 760,003,039.19/31,125.22
  6. Step 6: Final answer
    x = 24,417.60

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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.