Home / 39,643.93-54,712.97-25,316.96

Finding the Fourth Proportional to 39,643.93, 54,712.97 and 25,316.96

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Solution

The fourth proportional to 39,643.93, 54,712.97 and 25,316.96 is: 34,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.93 : 54,712.97 = 25,316.96 : x
  2. Step 2: Convert to fraction form
    39,643.93/54,712.97 = 25,316.96/x
  3. Step 3: Cross multiply
    39,643.93x = 54,712.97 × 25,316.96
  4. Step 4: Simplify right side
    39,643.93x = 1,385,165,767.76
  5. Step 5: Solve for x
    x = 1,385,165,767.76/39,643.93
  6. Step 6: Final answer
    x = 34,940.17

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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.