Home / 30,824.84-42,538.26-17,398.92

Finding the Fourth Proportional to 30,824.84, 42,538.26 and 17,398.92

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Solution

The fourth proportional to 30,824.84, 42,538.26 and 17,398.92 is: 24,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.84 : 42,538.26 = 17,398.92 : x
  2. Step 2: Convert to fraction form
    30,824.84/42,538.26 = 17,398.92/x
  3. Step 3: Cross multiply
    30,824.84x = 42,538.26 × 17,398.92
  4. Step 4: Simplify right side
    30,824.84x = 740,119,782.68
  5. Step 5: Solve for x
    x = 740,119,782.68/30,824.84
  6. Step 6: Final answer
    x = 24,010.50

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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.