Home / 31,319.04-46,985.58-10,542

Finding the Fourth Proportional to 31,319.04, 46,985.58 and 10,542

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Solution

The fourth proportional to 31,319.04, 46,985.58 and 10,542 is: 15,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.04 : 46,985.58 = 10,542 : x
  2. Step 2: Convert to fraction form
    31,319.04/46,985.58 = 10,542/x
  3. Step 3: Cross multiply
    31,319.04x = 46,985.58 × 10,542
  4. Step 4: Simplify right side
    31,319.04x = 495,321,984.36
  5. Step 5: Solve for x
    x = 495,321,984.36/31,319.04
  6. Step 6: Final answer
    x = 15,815.36

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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.