Home / 30,987.19-46,454.88-14,359.14

Finding the Fourth Proportional to 30,987.19, 46,454.88 and 14,359.14

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Solution

The fourth proportional to 30,987.19, 46,454.88 and 14,359.14 is: 21,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987.19 : 46,454.88 = 14,359.14 : x
  2. Step 2: Convert to fraction form
    30,987.19/46,454.88 = 14,359.14/x
  3. Step 3: Cross multiply
    30,987.19x = 46,454.88 × 14,359.14
  4. Step 4: Simplify right side
    30,987.19x = 667,052,179.45
  5. Step 5: Solve for x
    x = 667,052,179.45/30,987.19
  6. Step 6: Final answer
    x = 21,526.71

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Double scale
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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.