Home / 30,488.81-42,076.19-17,059.26

Finding the Fourth Proportional to 30,488.81, 42,076.19 and 17,059.26

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Solution

The fourth proportional to 30,488.81, 42,076.19 and 17,059.26 is: 23,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.81 : 42,076.19 = 17,059.26 : x
  2. Step 2: Convert to fraction form
    30,488.81/42,076.19 = 17,059.26/x
  3. Step 3: Cross multiply
    30,488.81x = 42,076.19 × 17,059.26
  4. Step 4: Simplify right side
    30,488.81x = 717,788,665.02
  5. Step 5: Solve for x
    x = 717,788,665.02/30,488.81
  6. Step 6: Final answer
    x = 23,542.69

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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.