Home / 37,382.36-51,587.34-20,615

Finding the Fourth Proportional to 37,382.36, 51,587.34 and 20,615

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Solution

The fourth proportional to 37,382.36, 51,587.34 and 20,615 is: 28,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,382.36 : 51,587.34 = 20,615 : x
  2. Step 2: Convert to fraction form
    37,382.36/51,587.34 = 20,615/x
  3. Step 3: Cross multiply
    37,382.36x = 51,587.34 × 20,615
  4. Step 4: Simplify right side
    37,382.36x = 1,063,473,014.10
  5. Step 5: Solve for x
    x = 1,063,473,014.10/37,382.36
  6. Step 6: Final answer
    x = 28,448.53

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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.