Home / 31,508.02-47,268.51-21,651.94

Finding the Fourth Proportional to 31,508.02, 47,268.51 and 21,651.94

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Solution

The fourth proportional to 31,508.02, 47,268.51 and 21,651.94 is: 32,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.02 : 47,268.51 = 21,651.94 : x
  2. Step 2: Convert to fraction form
    31,508.02/47,268.51 = 21,651.94/x
  3. Step 3: Cross multiply
    31,508.02x = 47,268.51 × 21,651.94
  4. Step 4: Simplify right side
    31,508.02x = 1,023,454,942.41
  5. Step 5: Solve for x
    x = 1,023,454,942.41/31,508.02
  6. Step 6: Final answer
    x = 32,482.36

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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.