Home / 42,881.20-64,324.32-16,586.08

Finding the Fourth Proportional to 42,881.20, 64,324.32 and 16,586.08

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Solution

The fourth proportional to 42,881.20, 64,324.32 and 16,586.08 is: 24,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,881.20 : 64,324.32 = 16,586.08 : x
  2. Step 2: Convert to fraction form
    42,881.20/64,324.32 = 16,586.08/x
  3. Step 3: Cross multiply
    42,881.20x = 64,324.32 × 16,586.08
  4. Step 4: Simplify right side
    42,881.20x = 1,066,888,317.47
  5. Step 5: Solve for x
    x = 1,066,888,317.47/42,881.20
  6. Step 6: Final answer
    x = 24,880.09

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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.