Home / 37,857.78-56,778.77-12,897.63

Finding the Fourth Proportional to 37,857.78, 56,778.77 and 12,897.63

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Solution

The fourth proportional to 37,857.78, 56,778.77 and 12,897.63 is: 19,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.78 : 56,778.77 = 12,897.63 : x
  2. Step 2: Convert to fraction form
    37,857.78/56,778.77 = 12,897.63/x
  3. Step 3: Cross multiply
    37,857.78x = 56,778.77 × 12,897.63
  4. Step 4: Simplify right side
    37,857.78x = 732,311,599.56
  5. Step 5: Solve for x
    x = 732,311,599.56/37,857.78
  6. Step 6: Final answer
    x = 19,343.75

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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.