Home / 39,108.80-53,953.20-26,172.56

Finding the Fourth Proportional to 39,108.80, 53,953.20 and 26,172.56

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Solution

The fourth proportional to 39,108.80, 53,953.20 and 26,172.56 is: 36,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.80 : 53,953.20 = 26,172.56 : x
  2. Step 2: Convert to fraction form
    39,108.80/53,953.20 = 26,172.56/x
  3. Step 3: Cross multiply
    39,108.80x = 53,953.20 × 26,172.56
  4. Step 4: Simplify right side
    39,108.80x = 1,412,093,364.19
  5. Step 5: Solve for x
    x = 1,412,093,364.19/39,108.80
  6. Step 6: Final answer
    x = 36,106.79

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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.