Home / 52,853.49-72,932.70-31,632.30

Finding the Fourth Proportional to 52,853.49, 72,932.70 and 31,632.30

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Solution

The fourth proportional to 52,853.49, 72,932.70 and 31,632.30 is: 43,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.49 : 72,932.70 = 31,632.30 : x
  2. Step 2: Convert to fraction form
    52,853.49/72,932.70 = 31,632.30/x
  3. Step 3: Cross multiply
    52,853.49x = 72,932.70 × 31,632.30
  4. Step 4: Simplify right side
    52,853.49x = 2,307,029,046.21
  5. Step 5: Solve for x
    x = 2,307,029,046.21/52,853.49
  6. Step 6: Final answer
    x = 43,649.51

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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.