Home / 39,104.84-53,964.75-21,199.92

Finding the Fourth Proportional to 39,104.84, 53,964.75 and 21,199.92

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Solution

The fourth proportional to 39,104.84, 53,964.75 and 21,199.92 is: 29,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.84 : 53,964.75 = 21,199.92 : x
  2. Step 2: Convert to fraction form
    39,104.84/53,964.75 = 21,199.92/x
  3. Step 3: Cross multiply
    39,104.84x = 53,964.75 × 21,199.92
  4. Step 4: Simplify right side
    39,104.84x = 1,144,048,276.82
  5. Step 5: Solve for x
    x = 1,144,048,276.82/39,104.84
  6. Step 6: Final answer
    x = 29,255.93

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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.