Home / 39,100.04-53,957.84-21,194.99

Finding the Fourth Proportional to 39,100.04, 53,957.84 and 21,194.99

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Solution

The fourth proportional to 39,100.04, 53,957.84 and 21,194.99 is: 29,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.04 : 53,957.84 = 21,194.99 : x
  2. Step 2: Convert to fraction form
    39,100.04/53,957.84 = 21,194.99/x
  3. Step 3: Cross multiply
    39,100.04x = 53,957.84 × 21,194.99
  4. Step 4: Simplify right side
    39,100.04x = 1,143,635,879.22
  5. Step 5: Solve for x
    x = 1,143,635,879.22/39,100.04
  6. Step 6: Final answer
    x = 29,248.97

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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.