Home / 40,725.64-61,094.15-12,647.75

Finding the Fourth Proportional to 40,725.64, 61,094.15 and 12,647.75

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Solution

The fourth proportional to 40,725.64, 61,094.15 and 12,647.75 is: 18,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.64 : 61,094.15 = 12,647.75 : x
  2. Step 2: Convert to fraction form
    40,725.64/61,094.15 = 12,647.75/x
  3. Step 3: Cross multiply
    40,725.64x = 61,094.15 × 12,647.75
  4. Step 4: Simplify right side
    40,725.64x = 772,703,214.38
  5. Step 5: Solve for x
    x = 772,703,214.38/40,725.64
  6. Step 6: Final answer
    x = 18,973.39

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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.