Home / 41,030.95-61,521.82-18,816.50

Finding the Fourth Proportional to 41,030.95, 61,521.82 and 18,816.50

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Solution

The fourth proportional to 41,030.95, 61,521.82 and 18,816.50 is: 28,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,030.95 : 61,521.82 = 18,816.50 : x
  2. Step 2: Convert to fraction form
    41,030.95/61,521.82 = 18,816.50/x
  3. Step 3: Cross multiply
    41,030.95x = 61,521.82 × 18,816.50
  4. Step 4: Simplify right side
    41,030.95x = 1,157,625,326.03
  5. Step 5: Solve for x
    x = 1,157,625,326.03/41,030.95
  6. Step 6: Final answer
    x = 28,213.47

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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.