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Finding the Fourth Proportional to 30,651, 45,987.58 and 15,079.56

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Solution

The fourth proportional to 30,651, 45,987.58 and 15,079.56 is: 22,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651 : 45,987.58 = 15,079.56 : x
  2. Step 2: Convert to fraction form
    30,651/45,987.58 = 15,079.56/x
  3. Step 3: Cross multiply
    30,651x = 45,987.58 × 15,079.56
  4. Step 4: Simplify right side
    30,651x = 693,472,471.86
  5. Step 5: Solve for x
    x = 693,472,471.86/30,651
  6. Step 6: Final answer
    x = 22,624.79

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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.