Home / 37,981.69-52,410.26-20,984.92

Finding the Fourth Proportional to 37,981.69, 52,410.26 and 20,984.92

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Solution

The fourth proportional to 37,981.69, 52,410.26 and 20,984.92 is: 28,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,981.69 : 52,410.26 = 20,984.92 : x
  2. Step 2: Convert to fraction form
    37,981.69/52,410.26 = 20,984.92/x
  3. Step 3: Cross multiply
    37,981.69x = 52,410.26 × 20,984.92
  4. Step 4: Simplify right side
    37,981.69x = 1,099,825,113.28
  5. Step 5: Solve for x
    x = 1,099,825,113.28/37,981.69
  6. Step 6: Final answer
    x = 28,956.72

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Double scale
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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.