Home / 31,320.37-46,985.43-10,542.25

Finding the Fourth Proportional to 31,320.37, 46,985.43 and 10,542.25

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Solution

The fourth proportional to 31,320.37, 46,985.43 and 10,542.25 is: 15,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.37 : 46,985.43 = 10,542.25 : x
  2. Step 2: Convert to fraction form
    31,320.37/46,985.43 = 10,542.25/x
  3. Step 3: Cross multiply
    31,320.37x = 46,985.43 × 10,542.25
  4. Step 4: Simplify right side
    31,320.37x = 495,332,149.42
  5. Step 5: Solve for x
    x = 495,332,149.42/31,320.37
  6. Step 6: Final answer
    x = 15,815.02

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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.