Home / 42,616.04-63,924-11,451.29

Finding the Fourth Proportional to 42,616.04, 63,924 and 11,451.29

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Solution

The fourth proportional to 42,616.04, 63,924 and 11,451.29 is: 17,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.04 : 63,924 = 11,451.29 : x
  2. Step 2: Convert to fraction form
    42,616.04/63,924 = 11,451.29/x
  3. Step 3: Cross multiply
    42,616.04x = 63,924 × 11,451.29
  4. Step 4: Simplify right side
    42,616.04x = 732,011,942.34
  5. Step 5: Solve for x
    x = 732,011,942.34/42,616.04
  6. Step 6: Final answer
    x = 17,176.91

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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.