Home / 40,021.52-55,224.08-23,019.30

Finding the Fourth Proportional to 40,021.52, 55,224.08 and 23,019.30

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Solution

The fourth proportional to 40,021.52, 55,224.08 and 23,019.30 is: 31,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.52 : 55,224.08 = 23,019.30 : x
  2. Step 2: Convert to fraction form
    40,021.52/55,224.08 = 23,019.30/x
  3. Step 3: Cross multiply
    40,021.52x = 55,224.08 × 23,019.30
  4. Step 4: Simplify right side
    40,021.52x = 1,271,219,515.20
  5. Step 5: Solve for x
    x = 1,271,219,515.20/40,021.52
  6. Step 6: Final answer
    x = 31,763.40

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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.