Home / 39,816.16-59,722.08-12,112

Finding the Fourth Proportional to 39,816.16, 59,722.08 and 12,112

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Solution

The fourth proportional to 39,816.16, 59,722.08 and 12,112 is: 18,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.16 : 59,722.08 = 12,112 : x
  2. Step 2: Convert to fraction form
    39,816.16/59,722.08 = 12,112/x
  3. Step 3: Cross multiply
    39,816.16x = 59,722.08 × 12,112
  4. Step 4: Simplify right side
    39,816.16x = 723,353,832.96
  5. Step 5: Solve for x
    x = 723,353,832.96/39,816.16
  6. Step 6: Final answer
    x = 18,167.34

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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.