Home / 31,319.46-43,223.58-17,175.06

Finding the Fourth Proportional to 31,319.46, 43,223.58 and 17,175.06

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Solution

The fourth proportional to 31,319.46, 43,223.58 and 17,175.06 is: 23,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.46 : 43,223.58 = 17,175.06 : x
  2. Step 2: Convert to fraction form
    31,319.46/43,223.58 = 17,175.06/x
  3. Step 3: Cross multiply
    31,319.46x = 43,223.58 × 17,175.06
  4. Step 4: Simplify right side
    31,319.46x = 742,367,579.91
  5. Step 5: Solve for x
    x = 742,367,579.91/31,319.46
  6. Step 6: Final answer
    x = 23,703.08

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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.