Home / 42,540.36-63,811.16-16,246.55

Finding the Fourth Proportional to 42,540.36, 63,811.16 and 16,246.55

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Solution

The fourth proportional to 42,540.36, 63,811.16 and 16,246.55 is: 24,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,540.36 : 63,811.16 = 16,246.55 : x
  2. Step 2: Convert to fraction form
    42,540.36/63,811.16 = 16,246.55/x
  3. Step 3: Cross multiply
    42,540.36x = 63,811.16 × 16,246.55
  4. Step 4: Simplify right side
    42,540.36x = 1,036,710,801.21
  5. Step 5: Solve for x
    x = 1,036,710,801.21/42,540.36
  6. Step 6: Final answer
    x = 24,370.05

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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.