Home / 64,756.36-97,141.50-20,384.44

Finding the Fourth Proportional to 64,756.36, 97,141.50 and 20,384.44

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Solution

The fourth proportional to 64,756.36, 97,141.50 and 20,384.44 is: 30,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.36 : 97,141.50 = 20,384.44 : x
  2. Step 2: Convert to fraction form
    64,756.36/97,141.50 = 20,384.44/x
  3. Step 3: Cross multiply
    64,756.36x = 97,141.50 × 20,384.44
  4. Step 4: Simplify right side
    64,756.36x = 1,980,175,078.26
  5. Step 5: Solve for x
    x = 1,980,175,078.26/64,756.36
  6. Step 6: Final answer
    x = 30,578.85

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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.