Home / 52,692.69-78,985.65-18,948.66

Finding the Fourth Proportional to 52,692.69, 78,985.65 and 18,948.66

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Solution

The fourth proportional to 52,692.69, 78,985.65 and 18,948.66 is: 28,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,692.69 : 78,985.65 = 18,948.66 : x
  2. Step 2: Convert to fraction form
    52,692.69/78,985.65 = 18,948.66/x
  3. Step 3: Cross multiply
    52,692.69x = 78,985.65 × 18,948.66
  4. Step 4: Simplify right side
    52,692.69x = 1,496,672,226.73
  5. Step 5: Solve for x
    x = 1,496,672,226.73/52,692.69
  6. Step 6: Final answer
    x = 28,403.79

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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.