Home / 33,328.46-45,970.74-21,406.28

Finding the Fourth Proportional to 33,328.46, 45,970.74 and 21,406.28

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Solution

The fourth proportional to 33,328.46, 45,970.74 and 21,406.28 is: 29,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,328.46 : 45,970.74 = 21,406.28 : x
  2. Step 2: Convert to fraction form
    33,328.46/45,970.74 = 21,406.28/x
  3. Step 3: Cross multiply
    33,328.46x = 45,970.74 × 21,406.28
  4. Step 4: Simplify right side
    33,328.46x = 984,062,302.39
  5. Step 5: Solve for x
    x = 984,062,302.39/33,328.46
  6. Step 6: Final answer
    x = 29,526.18

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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.