Home / 39,712.56-59,551.34-18,658.59

Finding the Fourth Proportional to 39,712.56, 59,551.34 and 18,658.59

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Solution

The fourth proportional to 39,712.56, 59,551.34 and 18,658.59 is: 27,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.56 : 59,551.34 = 18,658.59 : x
  2. Step 2: Convert to fraction form
    39,712.56/59,551.34 = 18,658.59/x
  3. Step 3: Cross multiply
    39,712.56x = 59,551.34 × 18,658.59
  4. Step 4: Simplify right side
    39,712.56x = 1,111,143,943.72
  5. Step 5: Solve for x
    x = 1,111,143,943.72/39,712.56
  6. Step 6: Final answer
    x = 27,979.66

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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.