Home / 30,679.62-46,009.68-13,144.74

Finding the Fourth Proportional to 30,679.62, 46,009.68 and 13,144.74

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Solution

The fourth proportional to 30,679.62, 46,009.68 and 13,144.74 is: 19,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.62 : 46,009.68 = 13,144.74 : x
  2. Step 2: Convert to fraction form
    30,679.62/46,009.68 = 13,144.74/x
  3. Step 3: Cross multiply
    30,679.62x = 46,009.68 × 13,144.74
  4. Step 4: Simplify right side
    30,679.62x = 604,785,281.08
  5. Step 5: Solve for x
    x = 604,785,281.08/30,679.62
  6. Step 6: Final answer
    x = 19,712.93

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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.