Home / 36,920.61-50,951.60-21,007.35

Finding the Fourth Proportional to 36,920.61, 50,951.60 and 21,007.35

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Solution

The fourth proportional to 36,920.61, 50,951.60 and 21,007.35 is: 28,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.61 : 50,951.60 = 21,007.35 : x
  2. Step 2: Convert to fraction form
    36,920.61/50,951.60 = 21,007.35/x
  3. Step 3: Cross multiply
    36,920.61x = 50,951.60 × 21,007.35
  4. Step 4: Simplify right side
    36,920.61x = 1,070,357,989.22
  5. Step 5: Solve for x
    x = 1,070,357,989.22/36,920.61
  6. Step 6: Final answer
    x = 28,990.80

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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.