Home / 71,598.33-107,389.26-19,012.05

Finding the Fourth Proportional to 71,598.33, 107,389.26 and 19,012.05

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Solution

The fourth proportional to 71,598.33, 107,389.26 and 19,012.05 is: 28,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598.33 : 107,389.26 = 19,012.05 : x
  2. Step 2: Convert to fraction form
    71,598.33/107,389.26 = 19,012.05/x
  3. Step 3: Cross multiply
    71,598.33x = 107,389.26 × 19,012.05
  4. Step 4: Simplify right side
    71,598.33x = 2,041,689,980.58
  5. Step 5: Solve for x
    x = 2,041,689,980.58/71,598.33
  6. Step 6: Final answer
    x = 28,515.89

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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.