Home / 42,530.06-63,776.66-12,941.03

Finding the Fourth Proportional to 42,530.06, 63,776.66 and 12,941.03

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Solution

The fourth proportional to 42,530.06, 63,776.66 and 12,941.03 is: 19,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,530.06 : 63,776.66 = 12,941.03 : x
  2. Step 2: Convert to fraction form
    42,530.06/63,776.66 = 12,941.03/x
  3. Step 3: Cross multiply
    42,530.06x = 63,776.66 × 12,941.03
  4. Step 4: Simplify right side
    42,530.06x = 825,335,765.10
  5. Step 5: Solve for x
    x = 825,335,765.10/42,530.06
  6. Step 6: Final answer
    x = 19,405.94

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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.