Home / 51,228.80-70,702.64-30,016.52

Finding the Fourth Proportional to 51,228.80, 70,702.64 and 30,016.52

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Solution

The fourth proportional to 51,228.80, 70,702.64 and 30,016.52 is: 41,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.80 : 70,702.64 = 30,016.52 : x
  2. Step 2: Convert to fraction form
    51,228.80/70,702.64 = 30,016.52/x
  3. Step 3: Cross multiply
    51,228.80x = 70,702.64 × 30,016.52
  4. Step 4: Simplify right side
    51,228.80x = 2,122,247,207.61
  5. Step 5: Solve for x
    x = 2,122,247,207.61/51,228.80
  6. Step 6: Final answer
    x = 41,426.84

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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.