Home / 35,706.08-53,470.20-21,672.56

Finding the Fourth Proportional to 35,706.08, 53,470.20 and 21,672.56

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Solution

The fourth proportional to 35,706.08, 53,470.20 and 21,672.56 is: 32,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,706.08 : 53,470.20 = 21,672.56 : x
  2. Step 2: Convert to fraction form
    35,706.08/53,470.20 = 21,672.56/x
  3. Step 3: Cross multiply
    35,706.08x = 53,470.20 × 21,672.56
  4. Step 4: Simplify right side
    35,706.08x = 1,158,836,117.71
  5. Step 5: Solve for x
    x = 1,158,836,117.71/35,706.08
  6. Step 6: Final answer
    x = 32,454.87

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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.