Home / 30,460.24-45,690.44-18,748.92

Finding the Fourth Proportional to 30,460.24, 45,690.44 and 18,748.92

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Solution

The fourth proportional to 30,460.24, 45,690.44 and 18,748.92 is: 28,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.24 : 45,690.44 = 18,748.92 : x
  2. Step 2: Convert to fraction form
    30,460.24/45,690.44 = 18,748.92/x
  3. Step 3: Cross multiply
    30,460.24x = 45,690.44 × 18,748.92
  4. Step 4: Simplify right side
    30,460.24x = 856,646,404.32
  5. Step 5: Solve for x
    x = 856,646,404.32/30,460.24
  6. Step 6: Final answer
    x = 28,123.43

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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.