Home / 42,063.12-63,085.77-15,769.80

Finding the Fourth Proportional to 42,063.12, 63,085.77 and 15,769.80

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Solution

The fourth proportional to 42,063.12, 63,085.77 and 15,769.80 is: 23,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.12 : 63,085.77 = 15,769.80 : x
  2. Step 2: Convert to fraction form
    42,063.12/63,085.77 = 15,769.80/x
  3. Step 3: Cross multiply
    42,063.12x = 63,085.77 × 15,769.80
  4. Step 4: Simplify right side
    42,063.12x = 994,849,975.75
  5. Step 5: Solve for x
    x = 994,849,975.75/42,063.12
  6. Step 6: Final answer
    x = 23,651.36

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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.