Home / 31,509.08-43,483.32-17,361.92

Finding the Fourth Proportional to 31,509.08, 43,483.32 and 17,361.92

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Solution

The fourth proportional to 31,509.08, 43,483.32 and 17,361.92 is: 23,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.08 : 43,483.32 = 17,361.92 : x
  2. Step 2: Convert to fraction form
    31,509.08/43,483.32 = 17,361.92/x
  3. Step 3: Cross multiply
    31,509.08x = 43,483.32 × 17,361.92
  4. Step 4: Simplify right side
    31,509.08x = 754,953,705.76
  5. Step 5: Solve for x
    x = 754,953,705.76/31,509.08
  6. Step 6: Final answer
    x = 23,959.88

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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.