Home / 36,390.65-50,219.28-20,475.36

Finding the Fourth Proportional to 36,390.65, 50,219.28 and 20,475.36

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Solution

The fourth proportional to 36,390.65, 50,219.28 and 20,475.36 is: 28,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.65 : 50,219.28 = 20,475.36 : x
  2. Step 2: Convert to fraction form
    36,390.65/50,219.28 = 20,475.36/x
  3. Step 3: Cross multiply
    36,390.65x = 50,219.28 × 20,475.36
  4. Step 4: Simplify right side
    36,390.65x = 1,028,257,836.94
  5. Step 5: Solve for x
    x = 1,028,257,836.94/36,390.65
  6. Step 6: Final answer
    x = 28,256.10

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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.