Home / 30,676.33-42,332.25-17,248.35

Finding the Fourth Proportional to 30,676.33, 42,332.25 and 17,248.35

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Solution

The fourth proportional to 30,676.33, 42,332.25 and 17,248.35 is: 23,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.33 : 42,332.25 = 17,248.35 : x
  2. Step 2: Convert to fraction form
    30,676.33/42,332.25 = 17,248.35/x
  3. Step 3: Cross multiply
    30,676.33x = 42,332.25 × 17,248.35
  4. Step 4: Simplify right side
    30,676.33x = 730,161,687.71
  5. Step 5: Solve for x
    x = 730,161,687.71/30,676.33
  6. Step 6: Final answer
    x = 23,802.12

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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.