Home / 52,539.18-78,739.35-19,227.18

Finding the Fourth Proportional to 52,539.18, 78,739.35 and 19,227.18

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Solution

The fourth proportional to 52,539.18, 78,739.35 and 19,227.18 is: 28,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539.18 : 78,739.35 = 19,227.18 : x
  2. Step 2: Convert to fraction form
    52,539.18/78,739.35 = 19,227.18/x
  3. Step 3: Cross multiply
    52,539.18x = 78,739.35 × 19,227.18
  4. Step 4: Simplify right side
    52,539.18x = 1,513,935,655.53
  5. Step 5: Solve for x
    x = 1,513,935,655.53/52,539.18
  6. Step 6: Final answer
    x = 28,815.37

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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.