Home / 39,116.16-53,989.98-25,705.62

Finding the Fourth Proportional to 39,116.16, 53,989.98 and 25,705.62

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Solution

The fourth proportional to 39,116.16, 53,989.98 and 25,705.62 is: 35,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.16 : 53,989.98 = 25,705.62 : x
  2. Step 2: Convert to fraction form
    39,116.16/53,989.98 = 25,705.62/x
  3. Step 3: Cross multiply
    39,116.16x = 53,989.98 × 25,705.62
  4. Step 4: Simplify right side
    39,116.16x = 1,387,845,909.69
  5. Step 5: Solve for x
    x = 1,387,845,909.69/39,116.16
  6. Step 6: Final answer
    x = 35,480.12

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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.