Home / 39,712.82-59,551.73-18,658.85

Finding the Fourth Proportional to 39,712.82, 59,551.73 and 18,658.85

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Solution

The fourth proportional to 39,712.82, 59,551.73 and 18,658.85 is: 27,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.82 : 59,551.73 = 18,658.85 : x
  2. Step 2: Convert to fraction form
    39,712.82/59,551.73 = 18,658.85/x
  3. Step 3: Cross multiply
    39,712.82x = 59,551.73 × 18,658.85
  4. Step 4: Simplify right side
    39,712.82x = 1,111,166,476.23
  5. Step 5: Solve for x
    x = 1,111,166,476.23/39,712.82
  6. Step 6: Final answer
    x = 27,980.05

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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.