Home / 31,819.95-43,913.51-17,672.76

Finding the Fourth Proportional to 31,819.95, 43,913.51 and 17,672.76

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Solution

The fourth proportional to 31,819.95, 43,913.51 and 17,672.76 is: 24,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819.95 : 43,913.51 = 17,672.76 : x
  2. Step 2: Convert to fraction form
    31,819.95/43,913.51 = 17,672.76/x
  3. Step 3: Cross multiply
    31,819.95x = 43,913.51 × 17,672.76
  4. Step 4: Simplify right side
    31,819.95x = 776,072,615.06
  5. Step 5: Solve for x
    x = 776,072,615.06/31,819.95
  6. Step 6: Final answer
    x = 24,389.50

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1.5x scale

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.