Home / 42,485.49-63,735.84-17,511.66

Finding the Fourth Proportional to 42,485.49, 63,735.84 and 17,511.66

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Solution

The fourth proportional to 42,485.49, 63,735.84 and 17,511.66 is: 26,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.49 : 63,735.84 = 17,511.66 : x
  2. Step 2: Convert to fraction form
    42,485.49/63,735.84 = 17,511.66/x
  3. Step 3: Cross multiply
    42,485.49x = 63,735.84 × 17,511.66
  4. Step 4: Simplify right side
    42,485.49x = 1,116,120,359.89
  5. Step 5: Solve for x
    x = 1,116,120,359.89/42,485.49
  6. Step 6: Final answer
    x = 26,270.62

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1.5x scale

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.