Home / 37,984.85-52,416.39-20,988.91

Finding the Fourth Proportional to 37,984.85, 52,416.39 and 20,988.91

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Solution

The fourth proportional to 37,984.85, 52,416.39 and 20,988.91 is: 28,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,984.85 : 52,416.39 = 20,988.91 : x
  2. Step 2: Convert to fraction form
    37,984.85/52,416.39 = 20,988.91/x
  3. Step 3: Cross multiply
    37,984.85x = 52,416.39 × 20,988.91
  4. Step 4: Simplify right side
    37,984.85x = 1,100,162,892.23
  5. Step 5: Solve for x
    x = 1,100,162,892.23/37,984.85
  6. Step 6: Final answer
    x = 28,963.20

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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.