Home / 42,245.90-63,365.55-11,080.34

Finding the Fourth Proportional to 42,245.90, 63,365.55 and 11,080.34

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Solution

The fourth proportional to 42,245.90, 63,365.55 and 11,080.34 is: 16,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,245.90 : 63,365.55 = 11,080.34 : x
  2. Step 2: Convert to fraction form
    42,245.90/63,365.55 = 11,080.34/x
  3. Step 3: Cross multiply
    42,245.90x = 63,365.55 × 11,080.34
  4. Step 4: Simplify right side
    42,245.90x = 702,111,838.29
  5. Step 5: Solve for x
    x = 702,111,838.29/42,245.90
  6. Step 6: Final answer
    x = 16,619.64

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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.