Home / 39,816.11-59,730.06-13,164.86

Finding the Fourth Proportional to 39,816.11, 59,730.06 and 13,164.86

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Solution

The fourth proportional to 39,816.11, 59,730.06 and 13,164.86 is: 19,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.11 : 59,730.06 = 13,164.86 : x
  2. Step 2: Convert to fraction form
    39,816.11/59,730.06 = 13,164.86/x
  3. Step 3: Cross multiply
    39,816.11x = 59,730.06 × 13,164.86
  4. Step 4: Simplify right side
    39,816.11x = 786,337,877.69
  5. Step 5: Solve for x
    x = 786,337,877.69/39,816.11
  6. Step 6: Final answer
    x = 19,749.24

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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.