Home / 39,809.83-59,702.07-13,150.87

Finding the Fourth Proportional to 39,809.83, 59,702.07 and 13,150.87

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Solution

The fourth proportional to 39,809.83, 59,702.07 and 13,150.87 is: 19,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.83 : 59,702.07 = 13,150.87 : x
  2. Step 2: Convert to fraction form
    39,809.83/59,702.07 = 13,150.87/x
  3. Step 3: Cross multiply
    39,809.83x = 59,702.07 × 13,150.87
  4. Step 4: Simplify right side
    39,809.83x = 785,134,161.30
  5. Step 5: Solve for x
    x = 785,134,161.30/39,809.83
  6. Step 6: Final answer
    x = 19,722.12

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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.