Home / 31,835.42-43,931.58-17,689.16

Finding the Fourth Proportional to 31,835.42, 43,931.58 and 17,689.16

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Solution

The fourth proportional to 31,835.42, 43,931.58 and 17,689.16 is: 24,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.42 : 43,931.58 = 17,689.16 : x
  2. Step 2: Convert to fraction form
    31,835.42/43,931.58 = 17,689.16/x
  3. Step 3: Cross multiply
    31,835.42x = 43,931.58 × 17,689.16
  4. Step 4: Simplify right side
    31,835.42x = 777,112,747.67
  5. Step 5: Solve for x
    x = 777,112,747.67/31,835.42
  6. Step 6: Final answer
    x = 24,410.32

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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.