Home / 30,455.61-42,028.58-17,026.76

Finding the Fourth Proportional to 30,455.61, 42,028.58 and 17,026.76

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Solution

The fourth proportional to 30,455.61, 42,028.58 and 17,026.76 is: 23,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.61 : 42,028.58 = 17,026.76 : x
  2. Step 2: Convert to fraction form
    30,455.61/42,028.58 = 17,026.76/x
  3. Step 3: Cross multiply
    30,455.61x = 42,028.58 × 17,026.76
  4. Step 4: Simplify right side
    30,455.61x = 715,610,692.44
  5. Step 5: Solve for x
    x = 715,610,692.44/30,455.61
  6. Step 6: Final answer
    x = 23,496.85

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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.