Home / 42,421.08-63,623.78-16,119.48

Finding the Fourth Proportional to 42,421.08, 63,623.78 and 16,119.48

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Solution

The fourth proportional to 42,421.08, 63,623.78 and 16,119.48 is: 24,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.08 : 63,623.78 = 16,119.48 : x
  2. Step 2: Convert to fraction form
    42,421.08/63,623.78 = 16,119.48/x
  3. Step 3: Cross multiply
    42,421.08x = 63,623.78 × 16,119.48
  4. Step 4: Simplify right side
    42,421.08x = 1,025,582,249.23
  5. Step 5: Solve for x
    x = 1,025,582,249.23/42,421.08
  6. Step 6: Final answer
    x = 24,176.24

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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.