Home / 36,812.40-50,801.72-20,897.32

Finding the Fourth Proportional to 36,812.40, 50,801.72 and 20,897.32

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Solution

The fourth proportional to 36,812.40, 50,801.72 and 20,897.32 is: 28,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.40 : 50,801.72 = 20,897.32 : x
  2. Step 2: Convert to fraction form
    36,812.40/50,801.72 = 20,897.32/x
  3. Step 3: Cross multiply
    36,812.40x = 50,801.72 × 20,897.32
  4. Step 4: Simplify right side
    36,812.40x = 1,061,619,799.39
  5. Step 5: Solve for x
    x = 1,061,619,799.39/36,812.40
  6. Step 6: Final answer
    x = 28,838.65

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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.