Home / 35,100.80-52,574.40-21,225.60

Finding the Fourth Proportional to 35,100.80, 52,574.40 and 21,225.60

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Solution

The fourth proportional to 35,100.80, 52,574.40 and 21,225.60 is: 31,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,100.80 : 52,574.40 = 21,225.60 : x
  2. Step 2: Convert to fraction form
    35,100.80/52,574.40 = 21,225.60/x
  3. Step 3: Cross multiply
    35,100.80x = 52,574.40 × 21,225.60
  4. Step 4: Simplify right side
    35,100.80x = 1,115,923,184.64
  5. Step 5: Solve for x
    x = 1,115,923,184.64/35,100.80
  6. Step 6: Final answer
    x = 31,791.96

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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.