Home / 37,712.69-56,581.32-17,988.68

Finding the Fourth Proportional to 37,712.69, 56,581.32 and 17,988.68

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Solution

The fourth proportional to 37,712.69, 56,581.32 and 17,988.68 is: 26,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,712.69 : 56,581.32 = 17,988.68 : x
  2. Step 2: Convert to fraction form
    37,712.69/56,581.32 = 17,988.68/x
  3. Step 3: Cross multiply
    37,712.69x = 56,581.32 × 17,988.68
  4. Step 4: Simplify right side
    37,712.69x = 1,017,823,259.46
  5. Step 5: Solve for x
    x = 1,017,823,259.46/37,712.69
  6. Step 6: Final answer
    x = 26,988.88

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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.