Home / 36,719.49-50,668.79-20,800.53

Finding the Fourth Proportional to 36,719.49, 50,668.79 and 20,800.53

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Solution

The fourth proportional to 36,719.49, 50,668.79 and 20,800.53 is: 28,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.49 : 50,668.79 = 20,800.53 : x
  2. Step 2: Convert to fraction form
    36,719.49/50,668.79 = 20,800.53/x
  3. Step 3: Cross multiply
    36,719.49x = 50,668.79 × 20,800.53
  4. Step 4: Simplify right side
    36,719.49x = 1,053,937,582.46
  5. Step 5: Solve for x
    x = 1,053,937,582.46/36,719.49
  6. Step 6: Final answer
    x = 28,702.40

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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.