Home / 42,242-63,360.54-11,077.24

Finding the Fourth Proportional to 42,242, 63,360.54 and 11,077.24

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Solution

The fourth proportional to 42,242, 63,360.54 and 11,077.24 is: 16,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,242 : 63,360.54 = 11,077.24 : x
  2. Step 2: Convert to fraction form
    42,242/63,360.54 = 11,077.24/x
  3. Step 3: Cross multiply
    42,242x = 63,360.54 × 11,077.24
  4. Step 4: Simplify right side
    42,242x = 701,859,908.11
  5. Step 5: Solve for x
    x = 701,859,908.11/42,242
  6. Step 6: Final answer
    x = 16,615.21

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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.