Home / 30,508.54-42,099.84-17,077.54

Finding the Fourth Proportional to 30,508.54, 42,099.84 and 17,077.54

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Solution

The fourth proportional to 30,508.54, 42,099.84 and 17,077.54 is: 23,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.54 : 42,099.84 = 17,077.54 : x
  2. Step 2: Convert to fraction form
    30,508.54/42,099.84 = 17,077.54/x
  3. Step 3: Cross multiply
    30,508.54x = 42,099.84 × 17,077.54
  4. Step 4: Simplify right side
    30,508.54x = 718,961,701.59
  5. Step 5: Solve for x
    x = 718,961,701.59/30,508.54
  6. Step 6: Final answer
    x = 23,565.92

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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.