Home / 52,107.39-71,920.01-29,459.54

Finding the Fourth Proportional to 52,107.39, 71,920.01 and 29,459.54

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Solution

The fourth proportional to 52,107.39, 71,920.01 and 29,459.54 is: 40,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,107.39 : 71,920.01 = 29,459.54 : x
  2. Step 2: Convert to fraction form
    52,107.39/71,920.01 = 29,459.54/x
  3. Step 3: Cross multiply
    52,107.39x = 71,920.01 × 29,459.54
  4. Step 4: Simplify right side
    52,107.39x = 2,118,730,664.84
  5. Step 5: Solve for x
    x = 2,118,730,664.84/52,107.39
  6. Step 6: Final answer
    x = 40,660.85

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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.