Home / 51,905.21-77,951.66-47,952.20

Finding the Fourth Proportional to 51,905.21, 77,951.66 and 47,952.20

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Solution

The fourth proportional to 51,905.21, 77,951.66 and 47,952.20 is: 72,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.21 : 77,951.66 = 47,952.20 : x
  2. Step 2: Convert to fraction form
    51,905.21/77,951.66 = 47,952.20/x
  3. Step 3: Cross multiply
    51,905.21x = 77,951.66 × 47,952.20
  4. Step 4: Simplify right side
    51,905.21x = 3,737,953,905.41
  5. Step 5: Solve for x
    x = 3,737,953,905.41/51,905.21
  6. Step 6: Final answer
    x = 72,015.01

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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.