Home / 37,047.02-51,123.38-20,280.02

Finding the Fourth Proportional to 37,047.02, 51,123.38 and 20,280.02

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Solution

The fourth proportional to 37,047.02, 51,123.38 and 20,280.02 is: 27,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,047.02 : 51,123.38 = 20,280.02 : x
  2. Step 2: Convert to fraction form
    37,047.02/51,123.38 = 20,280.02/x
  3. Step 3: Cross multiply
    37,047.02x = 51,123.38 × 20,280.02
  4. Step 4: Simplify right side
    37,047.02x = 1,036,783,168.87
  5. Step 5: Solve for x
    x = 1,036,783,168.87/37,047.02
  6. Step 6: Final answer
    x = 27,985.60

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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.