Home / 39,899.00-55,064.50-29,809.93

Finding the Fourth Proportional to 39,899.00, 55,064.50 and 29,809.93

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Solution

The fourth proportional to 39,899.00, 55,064.50 and 29,809.93 is: 41,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.00 : 55,064.50 = 29,809.93 : x
  2. Step 2: Convert to fraction form
    39,899.00/55,064.50 = 29,809.93/x
  3. Step 3: Cross multiply
    39,899.00x = 55,064.50 × 29,809.93
  4. Step 4: Simplify right side
    39,899.00x = 1,641,468,949.23
  5. Step 5: Solve for x
    x = 1,641,468,949.23/39,899.00
  6. Step 6: Final answer
    x = 41,140.60

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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.