Home / 38,772.10-58,147.74-10,685.46

Finding the Fourth Proportional to 38,772.10, 58,147.74 and 10,685.46

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Solution

The fourth proportional to 38,772.10, 58,147.74 and 10,685.46 is: 16,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,772.10 : 58,147.74 = 10,685.46 : x
  2. Step 2: Convert to fraction form
    38,772.10/58,147.74 = 10,685.46/x
  3. Step 3: Cross multiply
    38,772.10x = 58,147.74 × 10,685.46
  4. Step 4: Simplify right side
    38,772.10x = 621,335,349.86
  5. Step 5: Solve for x
    x = 621,335,349.86/38,772.10
  6. Step 6: Final answer
    x = 16,025.32

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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.