Home / 30,560.60-42,174.06-18,624.44

Finding the Fourth Proportional to 30,560.60, 42,174.06 and 18,624.44

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Solution

The fourth proportional to 30,560.60, 42,174.06 and 18,624.44 is: 25,701.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560.60 : 42,174.06 = 18,624.44 : x
  2. Step 2: Convert to fraction form
    30,560.60/42,174.06 = 18,624.44/x
  3. Step 3: Cross multiply
    30,560.60x = 42,174.06 × 18,624.44
  4. Step 4: Simplify right side
    30,560.60x = 785,468,250.03
  5. Step 5: Solve for x
    x = 785,468,250.03/30,560.60
  6. Step 6: Final answer
    x = 25,701.99

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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.