Home / 31,807.24-47,669.64-13,066.06

Finding the Fourth Proportional to 31,807.24, 47,669.64 and 13,066.06

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Solution

The fourth proportional to 31,807.24, 47,669.64 and 13,066.06 is: 19,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,807.24 : 47,669.64 = 13,066.06 : x
  2. Step 2: Convert to fraction form
    31,807.24/47,669.64 = 13,066.06/x
  3. Step 3: Cross multiply
    31,807.24x = 47,669.64 × 13,066.06
  4. Step 4: Simplify right side
    31,807.24x = 622,854,376.42
  5. Step 5: Solve for x
    x = 622,854,376.42/31,807.24
  6. Step 6: Final answer
    x = 19,582.16

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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.