Home / 31,488.75-47,233.13-10,712.25

Finding the Fourth Proportional to 31,488.75, 47,233.13 and 10,712.25

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Solution

The fourth proportional to 31,488.75, 47,233.13 and 10,712.25 is: 16,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.75 : 47,233.13 = 10,712.25 : x
  2. Step 2: Convert to fraction form
    31,488.75/47,233.13 = 10,712.25/x
  3. Step 3: Cross multiply
    31,488.75x = 47,233.13 × 10,712.25
  4. Step 4: Simplify right side
    31,488.75x = 505,973,043.28
  5. Step 5: Solve for x
    x = 505,973,043.28/31,488.75
  6. Step 6: Final answer
    x = 16,068.38

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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.