Home / 40,204.08-55,485-23,438.16

Finding the Fourth Proportional to 40,204.08, 55,485 and 23,438.16

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Solution

The fourth proportional to 40,204.08, 55,485 and 23,438.16 is: 32,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204.08 : 55,485 = 23,438.16 : x
  2. Step 2: Convert to fraction form
    40,204.08/55,485 = 23,438.16/x
  3. Step 3: Cross multiply
    40,204.08x = 55,485 × 23,438.16
  4. Step 4: Simplify right side
    40,204.08x = 1,300,466,307.60
  5. Step 5: Solve for x
    x = 1,300,466,307.60/40,204.08
  6. Step 6: Final answer
    x = 32,346.63

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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.