Home / 39,864.12-59,795.94-12,162.12

Finding the Fourth Proportional to 39,864.12, 59,795.94 and 12,162.12

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Solution

The fourth proportional to 39,864.12, 59,795.94 and 12,162.12 is: 18,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.12 : 59,795.94 = 12,162.12 : x
  2. Step 2: Convert to fraction form
    39,864.12/59,795.94 = 12,162.12/x
  3. Step 3: Cross multiply
    39,864.12x = 59,795.94 × 12,162.12
  4. Step 4: Simplify right side
    39,864.12x = 727,245,397.79
  5. Step 5: Solve for x
    x = 727,245,397.79/39,864.12
  6. Step 6: Final answer
    x = 18,243.11

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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.