Home / 35,374.09-52,994.27-20,905.23

Finding the Fourth Proportional to 35,374.09, 52,994.27 and 20,905.23

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Solution

The fourth proportional to 35,374.09, 52,994.27 and 20,905.23 is: 31,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.09 : 52,994.27 = 20,905.23 : x
  2. Step 2: Convert to fraction form
    35,374.09/52,994.27 = 20,905.23/x
  3. Step 3: Cross multiply
    35,374.09x = 52,994.27 × 20,905.23
  4. Step 4: Simplify right side
    35,374.09x = 1,107,857,138.06
  5. Step 5: Solve for x
    x = 1,107,857,138.06/35,374.09
  6. Step 6: Final answer
    x = 31,318.33

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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.