Home / 31,037.28-42,756.18-23,065.68

Finding the Fourth Proportional to 31,037.28, 42,756.18 and 23,065.68

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Solution

The fourth proportional to 31,037.28, 42,756.18 and 23,065.68 is: 31,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037.28 : 42,756.18 = 23,065.68 : x
  2. Step 2: Convert to fraction form
    31,037.28/42,756.18 = 23,065.68/x
  3. Step 3: Cross multiply
    31,037.28x = 42,756.18 × 23,065.68
  4. Step 4: Simplify right side
    31,037.28x = 986,200,365.90
  5. Step 5: Solve for x
    x = 986,200,365.90/31,037.28
  6. Step 6: Final answer
    x = 31,774.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.