Home / 51,852.60-77,817.30-20,710.20

Finding the Fourth Proportional to 51,852.60, 77,817.30 and 20,710.20

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Solution

The fourth proportional to 51,852.60, 77,817.30 and 20,710.20 is: 31,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852.60 : 77,817.30 = 20,710.20 : x
  2. Step 2: Convert to fraction form
    51,852.60/77,817.30 = 20,710.20/x
  3. Step 3: Cross multiply
    51,852.60x = 77,817.30 × 20,710.20
  4. Step 4: Simplify right side
    51,852.60x = 1,611,611,846.46
  5. Step 5: Solve for x
    x = 1,611,611,846.46/51,852.60
  6. Step 6: Final answer
    x = 31,080.64

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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.