Home / 31,403.17-43,336.55-17,063.12

Finding the Fourth Proportional to 31,403.17, 43,336.55 and 17,063.12

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Solution

The fourth proportional to 31,403.17, 43,336.55 and 17,063.12 is: 23,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.17 : 43,336.55 = 17,063.12 : x
  2. Step 2: Convert to fraction form
    31,403.17/43,336.55 = 17,063.12/x
  3. Step 3: Cross multiply
    31,403.17x = 43,336.55 × 17,063.12
  4. Step 4: Simplify right side
    31,403.17x = 739,456,579.01
  5. Step 5: Solve for x
    x = 739,456,579.01/31,403.17
  6. Step 6: Final answer
    x = 23,547.19

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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.