Home / 51,817.32-77,725.98-20,652.84

Finding the Fourth Proportional to 51,817.32, 77,725.98 and 20,652.84

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Solution

The fourth proportional to 51,817.32, 77,725.98 and 20,652.84 is: 30,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.32 : 77,725.98 = 20,652.84 : x
  2. Step 2: Convert to fraction form
    51,817.32/77,725.98 = 20,652.84/x
  3. Step 3: Cross multiply
    51,817.32x = 77,725.98 × 20,652.84
  4. Step 4: Simplify right side
    51,817.32x = 1,605,262,228.78
  5. Step 5: Solve for x
    x = 1,605,262,228.78/51,817.32
  6. Step 6: Final answer
    x = 30,979.26

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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.