Home / 51,685.02-77,527.83-18,406.38

Finding the Fourth Proportional to 51,685.02, 77,527.83 and 18,406.38

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Solution

The fourth proportional to 51,685.02, 77,527.83 and 18,406.38 is: 27,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.02 : 77,527.83 = 18,406.38 : x
  2. Step 2: Convert to fraction form
    51,685.02/77,527.83 = 18,406.38/x
  3. Step 3: Cross multiply
    51,685.02x = 77,527.83 × 18,406.38
  4. Step 4: Simplify right side
    51,685.02x = 1,427,006,699.56
  5. Step 5: Solve for x
    x = 1,427,006,699.56/51,685.02
  6. Step 6: Final answer
    x = 27,609.68

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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.