Home / 30,129.53-45,146.73-24,479.65

Finding the Fourth Proportional to 30,129.53, 45,146.73 and 24,479.65

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Solution

The fourth proportional to 30,129.53, 45,146.73 and 24,479.65 is: 36,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.53 : 45,146.73 = 24,479.65 : x
  2. Step 2: Convert to fraction form
    30,129.53/45,146.73 = 24,479.65/x
  3. Step 3: Cross multiply
    30,129.53x = 45,146.73 × 24,479.65
  4. Step 4: Simplify right side
    30,129.53x = 1,105,175,923.31
  5. Step 5: Solve for x
    x = 1,105,175,923.31/30,129.53
  6. Step 6: Final answer
    x = 36,680.82

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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.