Home / 30,827.13-42,537.17-17,213.51

Finding the Fourth Proportional to 30,827.13, 42,537.17 and 17,213.51

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Solution

The fourth proportional to 30,827.13, 42,537.17 and 17,213.51 is: 23,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.13 : 42,537.17 = 17,213.51 : x
  2. Step 2: Convert to fraction form
    30,827.13/42,537.17 = 17,213.51/x
  3. Step 3: Cross multiply
    30,827.13x = 42,537.17 × 17,213.51
  4. Step 4: Simplify right side
    30,827.13x = 732,214,001.17
  5. Step 5: Solve for x
    x = 732,214,001.17/30,827.13
  6. Step 6: Final answer
    x = 23,752.26

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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.