Home / 30,725.98-46,078.72-12,001.16

Finding the Fourth Proportional to 30,725.98, 46,078.72 and 12,001.16

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Solution

The fourth proportional to 30,725.98, 46,078.72 and 12,001.16 is: 17,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.98 : 46,078.72 = 12,001.16 : x
  2. Step 2: Convert to fraction form
    30,725.98/46,078.72 = 12,001.16/x
  3. Step 3: Cross multiply
    30,725.98x = 46,078.72 × 12,001.16
  4. Step 4: Simplify right side
    30,725.98x = 552,998,244.02
  5. Step 5: Solve for x
    x = 552,998,244.02/30,725.98
  6. Step 6: Final answer
    x = 17,997.74

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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.