Home / 37,545.02-51,812.19-20,778.02

Finding the Fourth Proportional to 37,545.02, 51,812.19 and 20,778.02

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Solution

The fourth proportional to 37,545.02, 51,812.19 and 20,778.02 is: 28,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,545.02 : 51,812.19 = 20,778.02 : x
  2. Step 2: Convert to fraction form
    37,545.02/51,812.19 = 20,778.02/x
  3. Step 3: Cross multiply
    37,545.02x = 51,812.19 × 20,778.02
  4. Step 4: Simplify right side
    37,545.02x = 1,076,554,720.06
  5. Step 5: Solve for x
    x = 1,076,554,720.06/37,545.02
  6. Step 6: Final answer
    x = 28,673.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.