Home / 35,253.30-52,853.64-21,210.03

Finding the Fourth Proportional to 35,253.30, 52,853.64 and 21,210.03

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Solution

The fourth proportional to 35,253.30, 52,853.64 and 21,210.03 is: 31,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.30 : 52,853.64 = 21,210.03 : x
  2. Step 2: Convert to fraction form
    35,253.30/52,853.64 = 21,210.03/x
  3. Step 3: Cross multiply
    35,253.30x = 52,853.64 × 21,210.03
  4. Step 4: Simplify right side
    35,253.30x = 1,121,027,422.14
  5. Step 5: Solve for x
    x = 1,121,027,422.14/35,253.30
  6. Step 6: Final answer
    x = 31,799.22

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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.