Home / 30,824.05-42,539.43-17,396.47

Finding the Fourth Proportional to 30,824.05, 42,539.43 and 17,396.47

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Solution

The fourth proportional to 30,824.05, 42,539.43 and 17,396.47 is: 24,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.05 : 42,539.43 = 17,396.47 : x
  2. Step 2: Convert to fraction form
    30,824.05/42,539.43 = 17,396.47/x
  3. Step 3: Cross multiply
    30,824.05x = 42,539.43 × 17,396.47
  4. Step 4: Simplify right side
    30,824.05x = 740,035,917.81
  5. Step 5: Solve for x
    x = 740,035,917.81/30,824.05
  6. Step 6: Final answer
    x = 24,008.40

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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.