Home / 30,685.62-46,018.68-13,150.74

Finding the Fourth Proportional to 30,685.62, 46,018.68 and 13,150.74

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Solution

The fourth proportional to 30,685.62, 46,018.68 and 13,150.74 is: 19,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,685.62 : 46,018.68 = 13,150.74 : x
  2. Step 2: Convert to fraction form
    30,685.62/46,018.68 = 13,150.74/x
  3. Step 3: Cross multiply
    30,685.62x = 46,018.68 × 13,150.74
  4. Step 4: Simplify right side
    30,685.62x = 605,179,695.82
  5. Step 5: Solve for x
    x = 605,179,695.82/30,685.62
  6. Step 6: Final answer
    x = 19,721.93

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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.