Home / 39,578.18-59,376.99-18,220.91

Finding the Fourth Proportional to 39,578.18, 59,376.99 and 18,220.91

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Solution

The fourth proportional to 39,578.18, 59,376.99 and 18,220.91 is: 27,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,578.18 : 59,376.99 = 18,220.91 : x
  2. Step 2: Convert to fraction form
    39,578.18/59,376.99 = 18,220.91/x
  3. Step 3: Cross multiply
    39,578.18x = 59,376.99 × 18,220.91
  4. Step 4: Simplify right side
    39,578.18x = 1,081,902,790.86
  5. Step 5: Solve for x
    x = 1,081,902,790.86/39,578.18
  6. Step 6: Final answer
    x = 27,335.84

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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.