Home / 52,983.42-79,462.80-19,719.15

Finding the Fourth Proportional to 52,983.42, 79,462.80 and 19,719.15

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Solution

The fourth proportional to 52,983.42, 79,462.80 and 19,719.15 is: 29,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,983.42 : 79,462.80 = 19,719.15 : x
  2. Step 2: Convert to fraction form
    52,983.42/79,462.80 = 19,719.15/x
  3. Step 3: Cross multiply
    52,983.42x = 79,462.80 × 19,719.15
  4. Step 4: Simplify right side
    52,983.42x = 1,566,939,120.57
  5. Step 5: Solve for x
    x = 1,566,939,120.57/52,983.42
  6. Step 6: Final answer
    x = 29,574.14

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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.