Home / 30,824.13-42,537.29-17,398.20

Finding the Fourth Proportional to 30,824.13, 42,537.29 and 17,398.20

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Solution

The fourth proportional to 30,824.13, 42,537.29 and 17,398.20 is: 24,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.13 : 42,537.29 = 17,398.20 : x
  2. Step 2: Convert to fraction form
    30,824.13/42,537.29 = 17,398.20/x
  3. Step 3: Cross multiply
    30,824.13x = 42,537.29 × 17,398.20
  4. Step 4: Simplify right side
    30,824.13x = 740,072,191.89
  5. Step 5: Solve for x
    x = 740,072,191.89/30,824.13
  6. Step 6: Final answer
    x = 24,009.51

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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.