Home / 39,106.77-53,953.20-25,685.30

Finding the Fourth Proportional to 39,106.77, 53,953.20 and 25,685.30

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Solution

The fourth proportional to 39,106.77, 53,953.20 and 25,685.30 is: 35,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.77 : 53,953.20 = 25,685.30 : x
  2. Step 2: Convert to fraction form
    39,106.77/53,953.20 = 25,685.30/x
  3. Step 3: Cross multiply
    39,106.77x = 53,953.20 × 25,685.30
  4. Step 4: Simplify right side
    39,106.77x = 1,385,803,858.19
  5. Step 5: Solve for x
    x = 1,385,803,858.19/39,106.77
  6. Step 6: Final answer
    x = 35,436.42

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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.