Home / 40,188.72-60,290.04-13,532.16

Finding the Fourth Proportional to 40,188.72, 60,290.04 and 13,532.16

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Solution

The fourth proportional to 40,188.72, 60,290.04 and 13,532.16 is: 20,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.72 : 60,290.04 = 13,532.16 : x
  2. Step 2: Convert to fraction form
    40,188.72/60,290.04 = 13,532.16/x
  3. Step 3: Cross multiply
    40,188.72x = 60,290.04 × 13,532.16
  4. Step 4: Simplify right side
    40,188.72x = 815,854,467.69
  5. Step 5: Solve for x
    x = 815,854,467.69/40,188.72
  6. Step 6: Final answer
    x = 20,300.58

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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.