Home / 33,438.84-46,130.76-21,497.64

Finding the Fourth Proportional to 33,438.84, 46,130.76 and 21,497.64

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Solution

The fourth proportional to 33,438.84, 46,130.76 and 21,497.64 is: 29,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.84 : 46,130.76 = 21,497.64 : x
  2. Step 2: Convert to fraction form
    33,438.84/46,130.76 = 21,497.64/x
  3. Step 3: Cross multiply
    33,438.84x = 46,130.76 × 21,497.64
  4. Step 4: Simplify right side
    33,438.84x = 991,702,471.41
  5. Step 5: Solve for x
    x = 991,702,471.41/33,438.84
  6. Step 6: Final answer
    x = 29,657.20

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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.