Home / 37,146.78-55,720.21-13,148.93

Finding the Fourth Proportional to 37,146.78, 55,720.21 and 13,148.93

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Solution

The fourth proportional to 37,146.78, 55,720.21 and 13,148.93 is: 19,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,146.78 : 55,720.21 = 13,148.93 : x
  2. Step 2: Convert to fraction form
    37,146.78/55,720.21 = 13,148.93/x
  3. Step 3: Cross multiply
    37,146.78x = 55,720.21 × 13,148.93
  4. Step 4: Simplify right side
    37,146.78x = 732,661,247.30
  5. Step 5: Solve for x
    x = 732,661,247.30/37,146.78
  6. Step 6: Final answer
    x = 19,723.41

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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.