Home / 31,130.52-46,686.20-8,937.93

Finding the Fourth Proportional to 31,130.52, 46,686.20 and 8,937.93

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Solution

The fourth proportional to 31,130.52, 46,686.20 and 8,937.93 is: 13,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130.52 : 46,686.20 = 8,937.93 : x
  2. Step 2: Convert to fraction form
    31,130.52/46,686.20 = 8,937.93/x
  3. Step 3: Cross multiply
    31,130.52x = 46,686.20 × 8,937.93
  4. Step 4: Simplify right side
    31,130.52x = 417,277,987.57
  5. Step 5: Solve for x
    x = 417,277,987.57/31,130.52
  6. Step 6: Final answer
    x = 13,404.14

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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.