Home / 30,926.34-42,650.19-26,156.28

Finding the Fourth Proportional to 30,926.34, 42,650.19 and 26,156.28

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Solution

The fourth proportional to 30,926.34, 42,650.19 and 26,156.28 is: 36,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.34 : 42,650.19 = 26,156.28 : x
  2. Step 2: Convert to fraction form
    30,926.34/42,650.19 = 26,156.28/x
  3. Step 3: Cross multiply
    30,926.34x = 42,650.19 × 26,156.28
  4. Step 4: Simplify right side
    30,926.34x = 1,115,570,311.69
  5. Step 5: Solve for x
    x = 1,115,570,311.69/30,926.34
  6. Step 6: Final answer
    x = 36,071.85

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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.