Home / 31,572.08-47,357.68-18,265.04

Finding the Fourth Proportional to 31,572.08, 47,357.68 and 18,265.04

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Solution

The fourth proportional to 31,572.08, 47,357.68 and 18,265.04 is: 27,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.08 : 47,357.68 = 18,265.04 : x
  2. Step 2: Convert to fraction form
    31,572.08/47,357.68 = 18,265.04/x
  3. Step 3: Cross multiply
    31,572.08x = 47,357.68 × 18,265.04
  4. Step 4: Simplify right side
    31,572.08x = 864,989,919.51
  5. Step 5: Solve for x
    x = 864,989,919.51/31,572.08
  6. Step 6: Final answer
    x = 27,397.31

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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.