Home / 30,670.66-42,445.20-29,933.17

Finding the Fourth Proportional to 30,670.66, 42,445.20 and 29,933.17

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Solution

The fourth proportional to 30,670.66, 42,445.20 and 29,933.17 is: 41,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.66 : 42,445.20 = 29,933.17 : x
  2. Step 2: Convert to fraction form
    30,670.66/42,445.20 = 29,933.17/x
  3. Step 3: Cross multiply
    30,670.66x = 42,445.20 × 29,933.17
  4. Step 4: Simplify right side
    30,670.66x = 1,270,519,387.28
  5. Step 5: Solve for x
    x = 1,270,519,387.28/30,670.66
  6. Step 6: Final answer
    x = 41,424.59

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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.