Home / 52,208.34-78,354.12-18,937.98

Finding the Fourth Proportional to 52,208.34, 78,354.12 and 18,937.98

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Solution

The fourth proportional to 52,208.34, 78,354.12 and 18,937.98 is: 28,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.34 : 78,354.12 = 18,937.98 : x
  2. Step 2: Convert to fraction form
    52,208.34/78,354.12 = 18,937.98/x
  3. Step 3: Cross multiply
    52,208.34x = 78,354.12 × 18,937.98
  4. Step 4: Simplify right side
    52,208.34x = 1,483,868,757.48
  5. Step 5: Solve for x
    x = 1,483,868,757.48/52,208.34
  6. Step 6: Final answer
    x = 28,422.06

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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.