Home / 39,106.80-58,660.20-37,724.40

Finding the Fourth Proportional to 39,106.80, 58,660.20 and 37,724.40

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Solution

The fourth proportional to 39,106.80, 58,660.20 and 37,724.40 is: 56,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.80 : 58,660.20 = 37,724.40 : x
  2. Step 2: Convert to fraction form
    39,106.80/58,660.20 = 37,724.40/x
  3. Step 3: Cross multiply
    39,106.80x = 58,660.20 × 37,724.40
  4. Step 4: Simplify right side
    39,106.80x = 2,212,920,848.88
  5. Step 5: Solve for x
    x = 2,212,920,848.88/39,106.80
  6. Step 6: Final answer
    x = 56,586.60

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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.