Home / 30,505.54-42,095.70-17,074.53

Finding the Fourth Proportional to 30,505.54, 42,095.70 and 17,074.53

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Solution

The fourth proportional to 30,505.54, 42,095.70 and 17,074.53 is: 23,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.54 : 42,095.70 = 17,074.53 : x
  2. Step 2: Convert to fraction form
    30,505.54/42,095.70 = 17,074.53/x
  3. Step 3: Cross multiply
    30,505.54x = 42,095.70 × 17,074.53
  4. Step 4: Simplify right side
    30,505.54x = 718,764,292.52
  5. Step 5: Solve for x
    x = 718,764,292.52/30,505.54
  6. Step 6: Final answer
    x = 23,561.76

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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.