Home / 33,348.02-45,975.23-21,390.60

Finding the Fourth Proportional to 33,348.02, 45,975.23 and 21,390.60

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Solution

The fourth proportional to 33,348.02, 45,975.23 and 21,390.60 is: 29,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,348.02 : 45,975.23 = 21,390.60 : x
  2. Step 2: Convert to fraction form
    33,348.02/45,975.23 = 21,390.60/x
  3. Step 3: Cross multiply
    33,348.02x = 45,975.23 × 21,390.60
  4. Step 4: Simplify right side
    33,348.02x = 983,437,754.84
  5. Step 5: Solve for x
    x = 983,437,754.84/33,348.02
  6. Step 6: Final answer
    x = 29,490.14

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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.