Home / 42,186.25-63,283.02-11,021.50

Finding the Fourth Proportional to 42,186.25, 63,283.02 and 11,021.50

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Solution

The fourth proportional to 42,186.25, 63,283.02 and 11,021.50 is: 16,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,186.25 : 63,283.02 = 11,021.50 : x
  2. Step 2: Convert to fraction form
    42,186.25/63,283.02 = 11,021.50/x
  3. Step 3: Cross multiply
    42,186.25x = 63,283.02 × 11,021.50
  4. Step 4: Simplify right side
    42,186.25x = 697,473,804.93
  5. Step 5: Solve for x
    x = 697,473,804.93/42,186.25
  6. Step 6: Final answer
    x = 16,533.20

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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.