Home / 31,255.47-46,894.95-18,612.54

Finding the Fourth Proportional to 31,255.47, 46,894.95 and 18,612.54

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Solution

The fourth proportional to 31,255.47, 46,894.95 and 18,612.54 is: 27,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.47 : 46,894.95 = 18,612.54 : x
  2. Step 2: Convert to fraction form
    31,255.47/46,894.95 = 18,612.54/x
  3. Step 3: Cross multiply
    31,255.47x = 46,894.95 × 18,612.54
  4. Step 4: Simplify right side
    31,255.47x = 872,834,132.67
  5. Step 5: Solve for x
    x = 872,834,132.67/31,255.47
  6. Step 6: Final answer
    x = 27,925.80

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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.