Home / 35,384.80-53,012.40-21,517.60

Finding the Fourth Proportional to 35,384.80, 53,012.40 and 21,517.60

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Solution

The fourth proportional to 35,384.80, 53,012.40 and 21,517.60 is: 32,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.80 : 53,012.40 = 21,517.60 : x
  2. Step 2: Convert to fraction form
    35,384.80/53,012.40 = 21,517.60/x
  3. Step 3: Cross multiply
    35,384.80x = 53,012.40 × 21,517.60
  4. Step 4: Simplify right side
    35,384.80x = 1,140,699,618.24
  5. Step 5: Solve for x
    x = 1,140,699,618.24/35,384.80
  6. Step 6: Final answer
    x = 32,236.99

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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.