Home / 62,571.47-93,872.40-20,453.49

Finding the Fourth Proportional to 62,571.47, 93,872.40 and 20,453.49

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Solution

The fourth proportional to 62,571.47, 93,872.40 and 20,453.49 is: 30,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,571.47 : 93,872.40 = 20,453.49 : x
  2. Step 2: Convert to fraction form
    62,571.47/93,872.40 = 20,453.49/x
  3. Step 3: Cross multiply
    62,571.47x = 93,872.40 × 20,453.49
  4. Step 4: Simplify right side
    62,571.47x = 1,920,018,092.41
  5. Step 5: Solve for x
    x = 1,920,018,092.41/62,571.47
  6. Step 6: Final answer
    x = 30,685.20

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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.