Home / 36,163.04-49,862.48-28,987.20

Finding the Fourth Proportional to 36,163.04, 49,862.48 and 28,987.20

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Solution

The fourth proportional to 36,163.04, 49,862.48 and 28,987.20 is: 39,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.04 : 49,862.48 = 28,987.20 : x
  2. Step 2: Convert to fraction form
    36,163.04/49,862.48 = 28,987.20/x
  3. Step 3: Cross multiply
    36,163.04x = 49,862.48 × 28,987.20
  4. Step 4: Simplify right side
    36,163.04x = 1,445,373,680.26
  5. Step 5: Solve for x
    x = 1,445,373,680.26/36,163.04
  6. Step 6: Final answer
    x = 39,968.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.