Home / 37,117.89-55,665.90-10,815.57

Finding the Fourth Proportional to 37,117.89, 55,665.90 and 10,815.57

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Solution

The fourth proportional to 37,117.89, 55,665.90 and 10,815.57 is: 16,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.89 : 55,665.90 = 10,815.57 : x
  2. Step 2: Convert to fraction form
    37,117.89/55,665.90 = 10,815.57/x
  3. Step 3: Cross multiply
    37,117.89x = 55,665.90 × 10,815.57
  4. Step 4: Simplify right side
    37,117.89x = 602,058,438.06
  5. Step 5: Solve for x
    x = 602,058,438.06/37,117.89
  6. Step 6: Final answer
    x = 16,220.17

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1.5x scale

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.