Home / 52,298.16-78,441.01-18,996.98

Finding the Fourth Proportional to 52,298.16, 78,441.01 and 18,996.98

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Solution

The fourth proportional to 52,298.16, 78,441.01 and 18,996.98 is: 28,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,298.16 : 78,441.01 = 18,996.98 : x
  2. Step 2: Convert to fraction form
    52,298.16/78,441.01 = 18,996.98/x
  3. Step 3: Cross multiply
    52,298.16x = 78,441.01 × 18,996.98
  4. Step 4: Simplify right side
    52,298.16x = 1,490,142,299.68
  5. Step 5: Solve for x
    x = 1,490,142,299.68/52,298.16
  6. Step 6: Final answer
    x = 28,493.21

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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.