Home / 31,888.82-47,764.89-25,937.45

Finding the Fourth Proportional to 31,888.82, 47,764.89 and 25,937.45

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Solution

The fourth proportional to 31,888.82, 47,764.89 and 25,937.45 is: 38,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,888.82 : 47,764.89 = 25,937.45 : x
  2. Step 2: Convert to fraction form
    31,888.82/47,764.89 = 25,937.45/x
  3. Step 3: Cross multiply
    31,888.82x = 47,764.89 × 25,937.45
  4. Step 4: Simplify right side
    31,888.82x = 1,238,899,386.42
  5. Step 5: Solve for x
    x = 1,238,899,386.42/31,888.82
  6. Step 6: Final answer
    x = 38,850.58

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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.