Home / 31,696.85-43,688.50-25,302.95

Finding the Fourth Proportional to 31,696.85, 43,688.50 and 25,302.95

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Solution

The fourth proportional to 31,696.85, 43,688.50 and 25,302.95 is: 34,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.85 : 43,688.50 = 25,302.95 : x
  2. Step 2: Convert to fraction form
    31,696.85/43,688.50 = 25,302.95/x
  3. Step 3: Cross multiply
    31,696.85x = 43,688.50 × 25,302.95
  4. Step 4: Simplify right side
    31,696.85x = 1,105,447,712.63
  5. Step 5: Solve for x
    x = 1,105,447,712.63/31,696.85
  6. Step 6: Final answer
    x = 34,875.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.