Home / 38,421.80-57,632.70-35,570.60

Finding the Fourth Proportional to 38,421.80, 57,632.70 and 35,570.60

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Solution

The fourth proportional to 38,421.80, 57,632.70 and 35,570.60 is: 53,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.80 : 57,632.70 = 35,570.60 : x
  2. Step 2: Convert to fraction form
    38,421.80/57,632.70 = 35,570.60/x
  3. Step 3: Cross multiply
    38,421.80x = 57,632.70 × 35,570.60
  4. Step 4: Simplify right side
    38,421.80x = 2,050,029,718.62
  5. Step 5: Solve for x
    x = 2,050,029,718.62/38,421.80
  6. Step 6: Final answer
    x = 53,355.90

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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.