Home / 39,117.16-53,991.36-25,706.62

Finding the Fourth Proportional to 39,117.16, 53,991.36 and 25,706.62

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Solution

The fourth proportional to 39,117.16, 53,991.36 and 25,706.62 is: 35,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.16 : 53,991.36 = 25,706.62 : x
  2. Step 2: Convert to fraction form
    39,117.16/53,991.36 = 25,706.62/x
  3. Step 3: Cross multiply
    39,117.16x = 53,991.36 × 25,706.62
  4. Step 4: Simplify right side
    39,117.16x = 1,387,935,374.80
  5. Step 5: Solve for x
    x = 1,387,935,374.80/39,117.16
  6. Step 6: Final answer
    x = 35,481.50

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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.