Home / 39,043.08-53,879.31-22,050.90

Finding the Fourth Proportional to 39,043.08, 53,879.31 and 22,050.90

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Solution

The fourth proportional to 39,043.08, 53,879.31 and 22,050.90 is: 30,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.08 : 53,879.31 = 22,050.90 : x
  2. Step 2: Convert to fraction form
    39,043.08/53,879.31 = 22,050.90/x
  3. Step 3: Cross multiply
    39,043.08x = 53,879.31 × 22,050.90
  4. Step 4: Simplify right side
    39,043.08x = 1,188,087,276.88
  5. Step 5: Solve for x
    x = 1,188,087,276.88/39,043.08
  6. Step 6: Final answer
    x = 30,430.16

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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.