Home / 38,274.78-57,421.39-37,639.30

Finding the Fourth Proportional to 38,274.78, 57,421.39 and 37,639.30

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Solution

The fourth proportional to 38,274.78, 57,421.39 and 37,639.30 is: 56,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.78 : 57,421.39 = 37,639.30 : x
  2. Step 2: Convert to fraction form
    38,274.78/57,421.39 = 37,639.30/x
  3. Step 3: Cross multiply
    38,274.78x = 57,421.39 × 37,639.30
  4. Step 4: Simplify right side
    38,274.78x = 2,161,300,865.21
  5. Step 5: Solve for x
    x = 2,161,300,865.21/38,274.78
  6. Step 6: Final answer
    x = 56,468.02

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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.