Home / 42,237.78-63,360.67-12,252.82

Finding the Fourth Proportional to 42,237.78, 63,360.67 and 12,252.82

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Solution

The fourth proportional to 42,237.78, 63,360.67 and 12,252.82 is: 18,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,237.78 : 63,360.67 = 12,252.82 : x
  2. Step 2: Convert to fraction form
    42,237.78/63,360.67 = 12,252.82/x
  3. Step 3: Cross multiply
    42,237.78x = 63,360.67 × 12,252.82
  4. Step 4: Simplify right side
    42,237.78x = 776,346,884.59
  5. Step 5: Solve for x
    x = 776,346,884.59/42,237.78
  6. Step 6: Final answer
    x = 18,380.39

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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.