Home / 61,058.07-91,592.91-18,938.61

Finding the Fourth Proportional to 61,058.07, 91,592.91 and 18,938.61

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Solution

The fourth proportional to 61,058.07, 91,592.91 and 18,938.61 is: 28,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,058.07 : 91,592.91 = 18,938.61 : x
  2. Step 2: Convert to fraction form
    61,058.07/91,592.91 = 18,938.61/x
  3. Step 3: Cross multiply
    61,058.07x = 91,592.91 × 18,938.61
  4. Step 4: Simplify right side
    61,058.07x = 1,734,642,401.26
  5. Step 5: Solve for x
    x = 1,734,642,401.26/61,058.07
  6. Step 6: Final answer
    x = 28,409.72

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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.