Home / 31,302.10-43,196.65-17,154.91

Finding the Fourth Proportional to 31,302.10, 43,196.65 and 17,154.91

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Solution

The fourth proportional to 31,302.10, 43,196.65 and 17,154.91 is: 23,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.10 : 43,196.65 = 17,154.91 : x
  2. Step 2: Convert to fraction form
    31,302.10/43,196.65 = 17,154.91/x
  3. Step 3: Cross multiply
    31,302.10x = 43,196.65 × 17,154.91
  4. Step 4: Simplify right side
    31,302.10x = 741,034,643.05
  5. Step 5: Solve for x
    x = 741,034,643.05/31,302.10
  6. Step 6: Final answer
    x = 23,673.64

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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.