Home / 42,271.40-63,361.32-27,490.92

Finding the Fourth Proportional to 42,271.40, 63,361.32 and 27,490.92

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Solution

The fourth proportional to 42,271.40, 63,361.32 and 27,490.92 is: 41,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,271.40 : 63,361.32 = 27,490.92 : x
  2. Step 2: Convert to fraction form
    42,271.40/63,361.32 = 27,490.92/x
  3. Step 3: Cross multiply
    42,271.40x = 63,361.32 × 27,490.92
  4. Step 4: Simplify right side
    42,271.40x = 1,741,860,979.21
  5. Step 5: Solve for x
    x = 1,741,860,979.21/42,271.40
  6. Step 6: Final answer
    x = 41,206.61

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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.