Home / 52,378.91-78,569.08-14,939

Finding the Fourth Proportional to 52,378.91, 78,569.08 and 14,939

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Solution

The fourth proportional to 52,378.91, 78,569.08 and 14,939 is: 22,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.91 : 78,569.08 = 14,939 : x
  2. Step 2: Convert to fraction form
    52,378.91/78,569.08 = 14,939/x
  3. Step 3: Cross multiply
    52,378.91x = 78,569.08 × 14,939
  4. Step 4: Simplify right side
    52,378.91x = 1,173,743,486.12
  5. Step 5: Solve for x
    x = 1,173,743,486.12/52,378.91
  6. Step 6: Final answer
    x = 22,408.70

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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.