Home / 36,981.65-55,472.56-10,688.51

Finding the Fourth Proportional to 36,981.65, 55,472.56 and 10,688.51

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Solution

The fourth proportional to 36,981.65, 55,472.56 and 10,688.51 is: 16,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.65 : 55,472.56 = 10,688.51 : x
  2. Step 2: Convert to fraction form
    36,981.65/55,472.56 = 10,688.51/x
  3. Step 3: Cross multiply
    36,981.65x = 55,472.56 × 10,688.51
  4. Step 4: Simplify right side
    36,981.65x = 592,919,124.25
  5. Step 5: Solve for x
    x = 592,919,124.25/36,981.65
  6. Step 6: Final answer
    x = 16,032.79

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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.