Home / 22,336.14-33,334.58-21,431.98

Finding the Fourth Proportional to 22,336.14, 33,334.58 and 21,431.98

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Solution

The fourth proportional to 22,336.14, 33,334.58 and 21,431.98 is: 31,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,336.14 : 33,334.58 = 21,431.98 : x
  2. Step 2: Convert to fraction form
    22,336.14/33,334.58 = 21,431.98/x
  3. Step 3: Cross multiply
    22,336.14x = 33,334.58 × 21,431.98
  4. Step 4: Simplify right side
    22,336.14x = 714,426,051.87
  5. Step 5: Solve for x
    x = 714,426,051.87/22,336.14
  6. Step 6: Final answer
    x = 31,985.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.