Home / 35,291.19-52,958.73-21,990.30

Finding the Fourth Proportional to 35,291.19, 52,958.73 and 21,990.30

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Solution

The fourth proportional to 35,291.19, 52,958.73 and 21,990.30 is: 32,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.19 : 52,958.73 = 21,990.30 : x
  2. Step 2: Convert to fraction form
    35,291.19/52,958.73 = 21,990.30/x
  3. Step 3: Cross multiply
    35,291.19x = 52,958.73 × 21,990.30
  4. Step 4: Simplify right side
    35,291.19x = 1,164,578,360.32
  5. Step 5: Solve for x
    x = 1,164,578,360.32/35,291.19
  6. Step 6: Final answer
    x = 32,999.12

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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.