Home / 30,573.08-45,785.55-15,540.66

Finding the Fourth Proportional to 30,573.08, 45,785.55 and 15,540.66

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Solution

The fourth proportional to 30,573.08, 45,785.55 and 15,540.66 is: 23,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.08 : 45,785.55 = 15,540.66 : x
  2. Step 2: Convert to fraction form
    30,573.08/45,785.55 = 15,540.66/x
  3. Step 3: Cross multiply
    30,573.08x = 45,785.55 × 15,540.66
  4. Step 4: Simplify right side
    30,573.08x = 711,537,723.74
  5. Step 5: Solve for x
    x = 711,537,723.74/30,573.08
  6. Step 6: Final answer
    x = 23,273.34

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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.