Home / 39,531.72-59,317.05-18,473.21

Finding the Fourth Proportional to 39,531.72, 59,317.05 and 18,473.21

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Solution

The fourth proportional to 39,531.72, 59,317.05 and 18,473.21 is: 27,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.72 : 59,317.05 = 18,473.21 : x
  2. Step 2: Convert to fraction form
    39,531.72/59,317.05 = 18,473.21/x
  3. Step 3: Cross multiply
    39,531.72x = 59,317.05 × 18,473.21
  4. Step 4: Simplify right side
    39,531.72x = 1,095,776,321.23
  5. Step 5: Solve for x
    x = 1,095,776,321.23/39,531.72
  6. Step 6: Final answer
    x = 27,718.91

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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.