Home / 30,655.40-42,301.30-17,224.52

Finding the Fourth Proportional to 30,655.40, 42,301.30 and 17,224.52

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Solution

The fourth proportional to 30,655.40, 42,301.30 and 17,224.52 is: 23,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.40 : 42,301.30 = 17,224.52 : x
  2. Step 2: Convert to fraction form
    30,655.40/42,301.30 = 17,224.52/x
  3. Step 3: Cross multiply
    30,655.40x = 42,301.30 × 17,224.52
  4. Step 4: Simplify right side
    30,655.40x = 728,619,587.88
  5. Step 5: Solve for x
    x = 728,619,587.88/30,655.40
  6. Step 6: Final answer
    x = 23,768.07

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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.