Home / 30,829.23-42,542.28-17,401.05

Finding the Fourth Proportional to 30,829.23, 42,542.28 and 17,401.05

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Solution

The fourth proportional to 30,829.23, 42,542.28 and 17,401.05 is: 24,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.23 : 42,542.28 = 17,401.05 : x
  2. Step 2: Convert to fraction form
    30,829.23/42,542.28 = 17,401.05/x
  3. Step 3: Cross multiply
    30,829.23x = 42,542.28 × 17,401.05
  4. Step 4: Simplify right side
    30,829.23x = 740,280,341.39
  5. Step 5: Solve for x
    x = 740,280,341.39/30,829.23
  6. Step 6: Final answer
    x = 24,012.29

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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.