Home / 29,691.51-40,979.57-17,756.16

Finding the Fourth Proportional to 29,691.51, 40,979.57 and 17,756.16

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Solution

The fourth proportional to 29,691.51, 40,979.57 and 17,756.16 is: 24,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,691.51 : 40,979.57 = 17,756.16 : x
  2. Step 2: Convert to fraction form
    29,691.51/40,979.57 = 17,756.16/x
  3. Step 3: Cross multiply
    29,691.51x = 40,979.57 × 17,756.16
  4. Step 4: Simplify right side
    29,691.51x = 727,639,712.87
  5. Step 5: Solve for x
    x = 727,639,712.87/29,691.51
  6. Step 6: Final answer
    x = 24,506.66

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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.