Home / 31,657.83-43,688.96-17,510.78

Finding the Fourth Proportional to 31,657.83, 43,688.96 and 17,510.78

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Solution

The fourth proportional to 31,657.83, 43,688.96 and 17,510.78 is: 24,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.83 : 43,688.96 = 17,510.78 : x
  2. Step 2: Convert to fraction form
    31,657.83/43,688.96 = 17,510.78/x
  3. Step 3: Cross multiply
    31,657.83x = 43,688.96 × 17,510.78
  4. Step 4: Simplify right side
    31,657.83x = 765,027,460.99
  5. Step 5: Solve for x
    x = 765,027,460.99/31,657.83
  6. Step 6: Final answer
    x = 24,165.51

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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.