Home / 39,859.08-59,677.89-20,077.66

Finding the Fourth Proportional to 39,859.08, 59,677.89 and 20,077.66

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Solution

The fourth proportional to 39,859.08, 59,677.89 and 20,077.66 is: 30,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.08 : 59,677.89 = 20,077.66 : x
  2. Step 2: Convert to fraction form
    39,859.08/59,677.89 = 20,077.66/x
  3. Step 3: Cross multiply
    39,859.08x = 59,677.89 × 20,077.66
  4. Step 4: Simplify right side
    39,859.08x = 1,198,192,384.94
  5. Step 5: Solve for x
    x = 1,198,192,384.94/39,859.08
  6. Step 6: Final answer
    x = 30,060.71

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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.