Home / 20,031.02-30,047.28-5,991.23

Finding the Fourth Proportional to 20,031.02, 30,047.28 and 5,991.23

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Solution

The fourth proportional to 20,031.02, 30,047.28 and 5,991.23 is: 8,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.02 : 30,047.28 = 5,991.23 : x
  2. Step 2: Convert to fraction form
    20,031.02/30,047.28 = 5,991.23/x
  3. Step 3: Cross multiply
    20,031.02x = 30,047.28 × 5,991.23
  4. Step 4: Simplify right side
    20,031.02x = 180,020,165.35
  5. Step 5: Solve for x
    x = 180,020,165.35/20,031.02
  6. Step 6: Final answer
    x = 8,987.07

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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.