Home / 52,204.55-78,206.01-31,161.35

Finding the Fourth Proportional to 52,204.55, 78,206.01 and 31,161.35

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Solution

The fourth proportional to 52,204.55, 78,206.01 and 31,161.35 is: 46,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,204.55 : 78,206.01 = 31,161.35 : x
  2. Step 2: Convert to fraction form
    52,204.55/78,206.01 = 31,161.35/x
  3. Step 3: Cross multiply
    52,204.55x = 78,206.01 × 31,161.35
  4. Step 4: Simplify right side
    52,204.55x = 2,437,004,889.42
  5. Step 5: Solve for x
    x = 2,437,004,889.42/52,204.55
  6. Step 6: Final answer
    x = 46,681.85

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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.