Home / 30,054.78-41,475.78-17,479.53

Finding the Fourth Proportional to 30,054.78, 41,475.78 and 17,479.53

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Solution

The fourth proportional to 30,054.78, 41,475.78 and 17,479.53 is: 24,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.78 : 41,475.78 = 17,479.53 : x
  2. Step 2: Convert to fraction form
    30,054.78/41,475.78 = 17,479.53/x
  3. Step 3: Cross multiply
    30,054.78x = 41,475.78 × 17,479.53
  4. Step 4: Simplify right side
    30,054.78x = 724,977,140.78
  5. Step 5: Solve for x
    x = 724,977,140.78/30,054.78
  6. Step 6: Final answer
    x = 24,121.86

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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.