Home / 52,297.57-78,421.85-18,994.42

Finding the Fourth Proportional to 52,297.57, 78,421.85 and 18,994.42

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Solution

The fourth proportional to 52,297.57, 78,421.85 and 18,994.42 is: 28,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,297.57 : 78,421.85 = 18,994.42 : x
  2. Step 2: Convert to fraction form
    52,297.57/78,421.85 = 18,994.42/x
  3. Step 3: Cross multiply
    52,297.57x = 78,421.85 × 18,994.42
  4. Step 4: Simplify right side
    52,297.57x = 1,489,577,069.00
  5. Step 5: Solve for x
    x = 1,489,577,069.00/52,297.57
  6. Step 6: Final answer
    x = 28,482.72

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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.