Home / 31,307.68-43,204.32-17,160.52

Finding the Fourth Proportional to 31,307.68, 43,204.32 and 17,160.52

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Solution

The fourth proportional to 31,307.68, 43,204.32 and 17,160.52 is: 23,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.68 : 43,204.32 = 17,160.52 : x
  2. Step 2: Convert to fraction form
    31,307.68/43,204.32 = 17,160.52/x
  3. Step 3: Cross multiply
    31,307.68x = 43,204.32 × 17,160.52
  4. Step 4: Simplify right side
    31,307.68x = 741,408,597.45
  5. Step 5: Solve for x
    x = 741,408,597.45/31,307.68
  6. Step 6: Final answer
    x = 23,681.37

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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.