Home / 49,511.70-74,158.20-19,914.30

Finding the Fourth Proportional to 49,511.70, 74,158.20 and 19,914.30

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Solution

The fourth proportional to 49,511.70, 74,158.20 and 19,914.30 is: 29,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.70 : 74,158.20 = 19,914.30 : x
  2. Step 2: Convert to fraction form
    49,511.70/74,158.20 = 19,914.30/x
  3. Step 3: Cross multiply
    49,511.70x = 74,158.20 × 19,914.30
  4. Step 4: Simplify right side
    49,511.70x = 1,476,808,642.26
  5. Step 5: Solve for x
    x = 1,476,808,642.26/49,511.70
  6. Step 6: Final answer
    x = 29,827.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.