Home / 31,506.96-43,479.84-17,360.28

Finding the Fourth Proportional to 31,506.96, 43,479.84 and 17,360.28

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Solution

The fourth proportional to 31,506.96, 43,479.84 and 17,360.28 is: 23,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.96 : 43,479.84 = 17,360.28 : x
  2. Step 2: Convert to fraction form
    31,506.96/43,479.84 = 17,360.28/x
  3. Step 3: Cross multiply
    31,506.96x = 43,479.84 × 17,360.28
  4. Step 4: Simplify right side
    31,506.96x = 754,822,196.76
  5. Step 5: Solve for x
    x = 754,822,196.76/31,506.96
  6. Step 6: Final answer
    x = 23,957.32

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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.