Home / 30,505.38-42,095.45-17,076.52

Finding the Fourth Proportional to 30,505.38, 42,095.45 and 17,076.52

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Solution

The fourth proportional to 30,505.38, 42,095.45 and 17,076.52 is: 23,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.38 : 42,095.45 = 17,076.52 : x
  2. Step 2: Convert to fraction form
    30,505.38/42,095.45 = 17,076.52/x
  3. Step 3: Cross multiply
    30,505.38x = 42,095.45 × 17,076.52
  4. Step 4: Simplify right side
    30,505.38x = 718,843,603.21
  5. Step 5: Solve for x
    x = 718,843,603.21/30,505.38
  6. Step 6: Final answer
    x = 23,564.49

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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.