Home / 30,247.52-41,731.60-18,306.32

Finding the Fourth Proportional to 30,247.52, 41,731.60 and 18,306.32

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Solution

The fourth proportional to 30,247.52, 41,731.60 and 18,306.32 is: 25,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.52 : 41,731.60 = 18,306.32 : x
  2. Step 2: Convert to fraction form
    30,247.52/41,731.60 = 18,306.32/x
  3. Step 3: Cross multiply
    30,247.52x = 41,731.60 × 18,306.32
  4. Step 4: Simplify right side
    30,247.52x = 763,952,023.71
  5. Step 5: Solve for x
    x = 763,952,023.71/30,247.52
  6. Step 6: Final answer
    x = 25,256.68

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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.