Home / 40,509.71-55,888.54-25,403.01

Finding the Fourth Proportional to 40,509.71, 55,888.54 and 25,403.01

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Solution

The fourth proportional to 40,509.71, 55,888.54 and 25,403.01 is: 35,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.71 : 55,888.54 = 25,403.01 : x
  2. Step 2: Convert to fraction form
    40,509.71/55,888.54 = 25,403.01/x
  3. Step 3: Cross multiply
    40,509.71x = 55,888.54 × 25,403.01
  4. Step 4: Simplify right side
    40,509.71x = 1,419,737,140.51
  5. Step 5: Solve for x
    x = 1,419,737,140.51/40,509.71
  6. Step 6: Final answer
    x = 35,046.84

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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.