Home / 36,865.20-55,314.16-19,330.88

Finding the Fourth Proportional to 36,865.20, 55,314.16 and 19,330.88

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Solution

The fourth proportional to 36,865.20, 55,314.16 and 19,330.88 is: 29,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,865.20 : 55,314.16 = 19,330.88 : x
  2. Step 2: Convert to fraction form
    36,865.20/55,314.16 = 19,330.88/x
  3. Step 3: Cross multiply
    36,865.20x = 55,314.16 × 19,330.88
  4. Step 4: Simplify right side
    36,865.20x = 1,069,271,389.26
  5. Step 5: Solve for x
    x = 1,069,271,389.26/36,865.20
  6. Step 6: Final answer
    x = 29,004.90

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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.