Home / 31,104.10-46,656.15-10,327.60

Finding the Fourth Proportional to 31,104.10, 46,656.15 and 10,327.60

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Solution

The fourth proportional to 31,104.10, 46,656.15 and 10,327.60 is: 15,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.10 : 46,656.15 = 10,327.60 : x
  2. Step 2: Convert to fraction form
    31,104.10/46,656.15 = 10,327.60/x
  3. Step 3: Cross multiply
    31,104.10x = 46,656.15 × 10,327.60
  4. Step 4: Simplify right side
    31,104.10x = 481,846,054.74
  5. Step 5: Solve for x
    x = 481,846,054.74/31,104.10
  6. Step 6: Final answer
    x = 15,491.40

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Double scale
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Similar ratio
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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.