Home / 40,859.19-61,257.63-21,125.16

Finding the Fourth Proportional to 40,859.19, 61,257.63 and 21,125.16

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Solution

The fourth proportional to 40,859.19, 61,257.63 and 21,125.16 is: 31,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,859.19 : 61,257.63 = 21,125.16 : x
  2. Step 2: Convert to fraction form
    40,859.19/61,257.63 = 21,125.16/x
  3. Step 3: Cross multiply
    40,859.19x = 61,257.63 × 21,125.16
  4. Step 4: Simplify right side
    40,859.19x = 1,294,077,234.97
  5. Step 5: Solve for x
    x = 1,294,077,234.97/40,859.19
  6. Step 6: Final answer
    x = 31,671.63

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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.