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Finding the Fourth Proportional to 22,051.40, 33,077.04 and 5,635.40

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Solution

The fourth proportional to 22,051.40, 33,077.04 and 5,635.40 is: 8,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.40 : 33,077.04 = 5,635.40 : x
  2. Step 2: Convert to fraction form
    22,051.40/33,077.04 = 5,635.40/x
  3. Step 3: Cross multiply
    22,051.40x = 33,077.04 × 5,635.40
  4. Step 4: Simplify right side
    22,051.40x = 186,402,351.22
  5. Step 5: Solve for x
    x = 186,402,351.22/22,051.40
  6. Step 6: Final answer
    x = 8,453.08

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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.