Home / 61,010.23-91,479.18-18,877.84

Finding the Fourth Proportional to 61,010.23, 91,479.18 and 18,877.84

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Solution

The fourth proportional to 61,010.23, 91,479.18 and 18,877.84 is: 28,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010.23 : 91,479.18 = 18,877.84 : x
  2. Step 2: Convert to fraction form
    61,010.23/91,479.18 = 18,877.84/x
  3. Step 3: Cross multiply
    61,010.23x = 91,479.18 × 18,877.84
  4. Step 4: Simplify right side
    61,010.23x = 1,726,929,323.37
  5. Step 5: Solve for x
    x = 1,726,929,323.37/61,010.23
  6. Step 6: Final answer
    x = 28,305.57

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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.