Home / 52,226.93-78,291.87-18,938.05

Finding the Fourth Proportional to 52,226.93, 78,291.87 and 18,938.05

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Solution

The fourth proportional to 52,226.93, 78,291.87 and 18,938.05 is: 28,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,226.93 : 78,291.87 = 18,938.05 : x
  2. Step 2: Convert to fraction form
    52,226.93/78,291.87 = 18,938.05/x
  3. Step 3: Cross multiply
    52,226.93x = 78,291.87 × 18,938.05
  4. Step 4: Simplify right side
    52,226.93x = 1,482,695,522.30
  5. Step 5: Solve for x
    x = 1,482,695,522.30/52,226.93
  6. Step 6: Final answer
    x = 28,389.48

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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.