Home / 31,581.50-43,580.40-17,434.22

Finding the Fourth Proportional to 31,581.50, 43,580.40 and 17,434.22

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Solution

The fourth proportional to 31,581.50, 43,580.40 and 17,434.22 is: 24,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.50 : 43,580.40 = 17,434.22 : x
  2. Step 2: Convert to fraction form
    31,581.50/43,580.40 = 17,434.22/x
  3. Step 3: Cross multiply
    31,581.50x = 43,580.40 × 17,434.22
  4. Step 4: Simplify right side
    31,581.50x = 759,790,281.29
  5. Step 5: Solve for x
    x = 759,790,281.29/31,581.50
  6. Step 6: Final answer
    x = 24,058.08

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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.