Home / 32,554.53-44,972.69-21,990.51

Finding the Fourth Proportional to 32,554.53, 44,972.69 and 21,990.51

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Solution

The fourth proportional to 32,554.53, 44,972.69 and 21,990.51 is: 30,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,554.53 : 44,972.69 = 21,990.51 : x
  2. Step 2: Convert to fraction form
    32,554.53/44,972.69 = 21,990.51/x
  3. Step 3: Cross multiply
    32,554.53x = 44,972.69 × 21,990.51
  4. Step 4: Simplify right side
    32,554.53x = 988,972,279.22
  5. Step 5: Solve for x
    x = 988,972,279.22/32,554.53
  6. Step 6: Final answer
    x = 30,378.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.