Home / 39,064.40-53,909.52-22,065.20

Finding the Fourth Proportional to 39,064.40, 53,909.52 and 22,065.20

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Solution

The fourth proportional to 39,064.40, 53,909.52 and 22,065.20 is: 30,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.40 : 53,909.52 = 22,065.20 : x
  2. Step 2: Convert to fraction form
    39,064.40/53,909.52 = 22,065.20/x
  3. Step 3: Cross multiply
    39,064.40x = 53,909.52 × 22,065.20
  4. Step 4: Simplify right side
    39,064.40x = 1,189,524,340.70
  5. Step 5: Solve for x
    x = 1,189,524,340.70/39,064.40
  6. Step 6: Final answer
    x = 30,450.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.