Home / 30,131.52-41,581.08-16,702.50

Finding the Fourth Proportional to 30,131.52, 41,581.08 and 16,702.50

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Solution

The fourth proportional to 30,131.52, 41,581.08 and 16,702.50 is: 23,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.52 : 41,581.08 = 16,702.50 : x
  2. Step 2: Convert to fraction form
    30,131.52/41,581.08 = 16,702.50/x
  3. Step 3: Cross multiply
    30,131.52x = 41,581.08 × 16,702.50
  4. Step 4: Simplify right side
    30,131.52x = 694,507,988.70
  5. Step 5: Solve for x
    x = 694,507,988.70/30,131.52
  6. Step 6: Final answer
    x = 23,049.22

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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.