Home / 46,507.20-69,772.56-20,216.64

Finding the Fourth Proportional to 46,507.20, 69,772.56 and 20,216.64

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Solution

The fourth proportional to 46,507.20, 69,772.56 and 20,216.64 is: 30,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,507.20 : 69,772.56 = 20,216.64 : x
  2. Step 2: Convert to fraction form
    46,507.20/69,772.56 = 20,216.64/x
  3. Step 3: Cross multiply
    46,507.20x = 69,772.56 × 20,216.64
  4. Step 4: Simplify right side
    46,507.20x = 1,410,566,727.40
  5. Step 5: Solve for x
    x = 1,410,566,727.40/46,507.20
  6. Step 6: Final answer
    x = 30,330.07

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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.