Home / 38,032.20-57,055.86-19,322.76

Finding the Fourth Proportional to 38,032.20, 57,055.86 and 19,322.76

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Solution

The fourth proportional to 38,032.20, 57,055.86 and 19,322.76 is: 28,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,032.20 : 57,055.86 = 19,322.76 : x
  2. Step 2: Convert to fraction form
    38,032.20/57,055.86 = 19,322.76/x
  3. Step 3: Cross multiply
    38,032.20x = 57,055.86 × 19,322.76
  4. Step 4: Simplify right side
    38,032.20x = 1,102,476,689.37
  5. Step 5: Solve for x
    x = 1,102,476,689.37/38,032.20
  6. Step 6: Final answer
    x = 28,987.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.