Home / 39,686.52-54,763.41-23,770.56

Finding the Fourth Proportional to 39,686.52, 54,763.41 and 23,770.56

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Solution

The fourth proportional to 39,686.52, 54,763.41 and 23,770.56 is: 32,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.52 : 54,763.41 = 23,770.56 : x
  2. Step 2: Convert to fraction form
    39,686.52/54,763.41 = 23,770.56/x
  3. Step 3: Cross multiply
    39,686.52x = 54,763.41 × 23,770.56
  4. Step 4: Simplify right side
    39,686.52x = 1,301,756,804.36
  5. Step 5: Solve for x
    x = 1,301,756,804.36/39,686.52
  6. Step 6: Final answer
    x = 32,800.98

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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.