Home / 35,258.13-52,816.68-21,210.42

Finding the Fourth Proportional to 35,258.13, 52,816.68 and 21,210.42

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Solution

The fourth proportional to 35,258.13, 52,816.68 and 21,210.42 is: 31,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.13 : 52,816.68 = 21,210.42 : x
  2. Step 2: Convert to fraction form
    35,258.13/52,816.68 = 21,210.42/x
  3. Step 3: Cross multiply
    35,258.13x = 52,816.68 × 21,210.42
  4. Step 4: Simplify right side
    35,258.13x = 1,120,263,965.81
  5. Step 5: Solve for x
    x = 1,120,263,965.81/35,258.13
  6. Step 6: Final answer
    x = 31,773.21

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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.