Home / 37,720.80-56,690.55-32,909.40

Finding the Fourth Proportional to 37,720.80, 56,690.55 and 32,909.40

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Solution

The fourth proportional to 37,720.80, 56,690.55 and 32,909.40 is: 49,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.80 : 56,690.55 = 32,909.40 : x
  2. Step 2: Convert to fraction form
    37,720.80/56,690.55 = 32,909.40/x
  3. Step 3: Cross multiply
    37,720.80x = 56,690.55 × 32,909.40
  4. Step 4: Simplify right side
    37,720.80x = 1,865,651,986.17
  5. Step 5: Solve for x
    x = 1,865,651,986.17/37,720.80
  6. Step 6: Final answer
    x = 49,459.50

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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.