Home / 37,913.68-52,321.37-20,918.62

Finding the Fourth Proportional to 37,913.68, 52,321.37 and 20,918.62

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Solution

The fourth proportional to 37,913.68, 52,321.37 and 20,918.62 is: 28,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.68 : 52,321.37 = 20,918.62 : x
  2. Step 2: Convert to fraction form
    37,913.68/52,321.37 = 20,918.62/x
  3. Step 3: Cross multiply
    37,913.68x = 52,321.37 × 20,918.62
  4. Step 4: Simplify right side
    37,913.68x = 1,094,490,490.71
  5. Step 5: Solve for x
    x = 1,094,490,490.71/37,913.68
  6. Step 6: Final answer
    x = 28,867.96

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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.