Home / 38,263.32-57,417.66-20,732.76

Finding the Fourth Proportional to 38,263.32, 57,417.66 and 20,732.76

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Solution

The fourth proportional to 38,263.32, 57,417.66 and 20,732.76 is: 31,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263.32 : 57,417.66 = 20,732.76 : x
  2. Step 2: Convert to fraction form
    38,263.32/57,417.66 = 20,732.76/x
  3. Step 3: Cross multiply
    38,263.32x = 57,417.66 × 20,732.76
  4. Step 4: Simplify right side
    38,263.32x = 1,190,426,564.54
  5. Step 5: Solve for x
    x = 1,190,426,564.54/38,263.32
  6. Step 6: Final answer
    x = 31,111.43

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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.