Home / 52,452.18-78,686.01-19,164.47

Finding the Fourth Proportional to 52,452.18, 78,686.01 and 19,164.47

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Solution

The fourth proportional to 52,452.18, 78,686.01 and 19,164.47 is: 28,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.18 : 78,686.01 = 19,164.47 : x
  2. Step 2: Convert to fraction form
    52,452.18/78,686.01 = 19,164.47/x
  3. Step 3: Cross multiply
    52,452.18x = 78,686.01 × 19,164.47
  4. Step 4: Simplify right side
    52,452.18x = 1,507,975,284.63
  5. Step 5: Solve for x
    x = 1,507,975,284.63/52,452.18
  6. Step 6: Final answer
    x = 28,749.53

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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.