Home / 51,913.02-71,640.64-30,692.10

Finding the Fourth Proportional to 51,913.02, 71,640.64 and 30,692.10

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Solution

The fourth proportional to 51,913.02, 71,640.64 and 30,692.10 is: 42,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.02 : 71,640.64 = 30,692.10 : x
  2. Step 2: Convert to fraction form
    51,913.02/71,640.64 = 30,692.10/x
  3. Step 3: Cross multiply
    51,913.02x = 71,640.64 × 30,692.10
  4. Step 4: Simplify right side
    51,913.02x = 2,198,801,533.48
  5. Step 5: Solve for x
    x = 2,198,801,533.48/51,913.02
  6. Step 6: Final answer
    x = 42,355.49

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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.