Home / 40,004.40-55,213.76-23,020.08

Finding the Fourth Proportional to 40,004.40, 55,213.76 and 23,020.08

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Solution

The fourth proportional to 40,004.40, 55,213.76 and 23,020.08 is: 31,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004.40 : 55,213.76 = 23,020.08 : x
  2. Step 2: Convert to fraction form
    40,004.40/55,213.76 = 23,020.08/x
  3. Step 3: Cross multiply
    40,004.40x = 55,213.76 × 23,020.08
  4. Step 4: Simplify right side
    40,004.40x = 1,271,025,172.30
  5. Step 5: Solve for x
    x = 1,271,025,172.30/40,004.40
  6. Step 6: Final answer
    x = 31,772.13

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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.