Home / 36,720.18-55,083.51-13,340.34

Finding the Fourth Proportional to 36,720.18, 55,083.51 and 13,340.34

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Solution

The fourth proportional to 36,720.18, 55,083.51 and 13,340.34 is: 20,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.18 : 55,083.51 = 13,340.34 : x
  2. Step 2: Convert to fraction form
    36,720.18/55,083.51 = 13,340.34/x
  3. Step 3: Cross multiply
    36,720.18x = 55,083.51 × 13,340.34
  4. Step 4: Simplify right side
    36,720.18x = 734,832,751.79
  5. Step 5: Solve for x
    x = 734,832,751.79/36,720.18
  6. Step 6: Final answer
    x = 20,011.69

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1.5x scale

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.