Home / 30,157.52-45,233.40-18,464.72

Finding the Fourth Proportional to 30,157.52, 45,233.40 and 18,464.72

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Solution

The fourth proportional to 30,157.52, 45,233.40 and 18,464.72 is: 27,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.52 : 45,233.40 = 18,464.72 : x
  2. Step 2: Convert to fraction form
    30,157.52/45,233.40 = 18,464.72/x
  3. Step 3: Cross multiply
    30,157.52x = 45,233.40 × 18,464.72
  4. Step 4: Simplify right side
    30,157.52x = 835,222,065.65
  5. Step 5: Solve for x
    x = 835,222,065.65/30,157.52
  6. Step 6: Final answer
    x = 27,695.32

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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.