Home / 52,218.36-78,228.90-40,474.08

Finding the Fourth Proportional to 52,218.36, 78,228.90 and 40,474.08

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Solution

The fourth proportional to 52,218.36, 78,228.90 and 40,474.08 is: 60,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.36 : 78,228.90 = 40,474.08 : x
  2. Step 2: Convert to fraction form
    52,218.36/78,228.90 = 40,474.08/x
  3. Step 3: Cross multiply
    52,218.36x = 78,228.90 × 40,474.08
  4. Step 4: Simplify right side
    52,218.36x = 3,166,242,756.91
  5. Step 5: Solve for x
    x = 3,166,242,756.91/52,218.36
  6. Step 6: Final answer
    x = 60,634.66

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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.