Home / 37,989.87-56,979.48-13,029.51

Finding the Fourth Proportional to 37,989.87, 56,979.48 and 13,029.51

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Solution

The fourth proportional to 37,989.87, 56,979.48 and 13,029.51 is: 19,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,989.87 : 56,979.48 = 13,029.51 : x
  2. Step 2: Convert to fraction form
    37,989.87/56,979.48 = 13,029.51/x
  3. Step 3: Cross multiply
    37,989.87x = 56,979.48 × 13,029.51
  4. Step 4: Simplify right side
    37,989.87x = 742,414,704.45
  5. Step 5: Solve for x
    x = 742,414,704.45/37,989.87
  6. Step 6: Final answer
    x = 19,542.44

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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.