Home / 36,700.60-55,040.10-10,407.64

Finding the Fourth Proportional to 36,700.60, 55,040.10 and 10,407.64

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Solution

The fourth proportional to 36,700.60, 55,040.10 and 10,407.64 is: 15,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.60 : 55,040.10 = 10,407.64 : x
  2. Step 2: Convert to fraction form
    36,700.60/55,040.10 = 10,407.64/x
  3. Step 3: Cross multiply
    36,700.60x = 55,040.10 × 10,407.64
  4. Step 4: Simplify right side
    36,700.60x = 572,837,546.36
  5. Step 5: Solve for x
    x = 572,837,546.36/36,700.60
  6. Step 6: Final answer
    x = 15,608.40

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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.