Home / 37,669.20-56,559.60-21,062.40

Finding the Fourth Proportional to 37,669.20, 56,559.60 and 21,062.40

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Solution

The fourth proportional to 37,669.20, 56,559.60 and 21,062.40 is: 31,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,669.20 : 56,559.60 = 21,062.40 : x
  2. Step 2: Convert to fraction form
    37,669.20/56,559.60 = 21,062.40/x
  3. Step 3: Cross multiply
    37,669.20x = 56,559.60 × 21,062.40
  4. Step 4: Simplify right side
    37,669.20x = 1,191,280,919.04
  5. Step 5: Solve for x
    x = 1,191,280,919.04/37,669.20
  6. Step 6: Final answer
    x = 31,624.80

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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.