Home / 20,850.02-31,275.23-5,267.64

Finding the Fourth Proportional to 20,850.02, 31,275.23 and 5,267.64

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Solution

The fourth proportional to 20,850.02, 31,275.23 and 5,267.64 is: 7,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.02 : 31,275.23 = 5,267.64 : x
  2. Step 2: Convert to fraction form
    20,850.02/31,275.23 = 5,267.64/x
  3. Step 3: Cross multiply
    20,850.02x = 31,275.23 × 5,267.64
  4. Step 4: Simplify right side
    20,850.02x = 164,746,652.56
  5. Step 5: Solve for x
    x = 164,746,652.56/20,850.02
  6. Step 6: Final answer
    x = 7,901.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.