Home / 42,566.80-63,850.02-12,984.54

Finding the Fourth Proportional to 42,566.80, 63,850.02 and 12,984.54

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Solution

The fourth proportional to 42,566.80, 63,850.02 and 12,984.54 is: 19,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.80 : 63,850.02 = 12,984.54 : x
  2. Step 2: Convert to fraction form
    42,566.80/63,850.02 = 12,984.54/x
  3. Step 3: Cross multiply
    42,566.80x = 63,850.02 × 12,984.54
  4. Step 4: Simplify right side
    42,566.80x = 829,062,923.60
  5. Step 5: Solve for x
    x = 829,062,923.60/42,566.80
  6. Step 6: Final answer
    x = 19,476.75

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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.