Home / 57,012.14-78,704.80-35,803.10

Finding the Fourth Proportional to 57,012.14, 78,704.80 and 35,803.10

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Solution

The fourth proportional to 57,012.14, 78,704.80 and 35,803.10 is: 49,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,012.14 : 78,704.80 = 35,803.10 : x
  2. Step 2: Convert to fraction form
    57,012.14/78,704.80 = 35,803.10/x
  3. Step 3: Cross multiply
    57,012.14x = 78,704.80 × 35,803.10
  4. Step 4: Simplify right side
    57,012.14x = 2,817,875,824.88
  5. Step 5: Solve for x
    x = 2,817,875,824.88/57,012.14
  6. Step 6: Final answer
    x = 49,425.89

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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.