Home / 37,983.01-52,416.24-20,987.20

Finding the Fourth Proportional to 37,983.01, 52,416.24 and 20,987.20

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Solution

The fourth proportional to 37,983.01, 52,416.24 and 20,987.20 is: 28,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,983.01 : 52,416.24 = 20,987.20 : x
  2. Step 2: Convert to fraction form
    37,983.01/52,416.24 = 20,987.20/x
  3. Step 3: Cross multiply
    37,983.01x = 52,416.24 × 20,987.20
  4. Step 4: Simplify right side
    37,983.01x = 1,100,070,112.13
  5. Step 5: Solve for x
    x = 1,100,070,112.13/37,983.01
  6. Step 6: Final answer
    x = 28,962.16

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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.