Home / 33,510.56-46,242.74-18,405.20

Finding the Fourth Proportional to 33,510.56, 46,242.74 and 18,405.20

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Solution

The fourth proportional to 33,510.56, 46,242.74 and 18,405.20 is: 25,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,510.56 : 46,242.74 = 18,405.20 : x
  2. Step 2: Convert to fraction form
    33,510.56/46,242.74 = 18,405.20/x
  3. Step 3: Cross multiply
    33,510.56x = 46,242.74 × 18,405.20
  4. Step 4: Simplify right side
    33,510.56x = 851,106,555.01
  5. Step 5: Solve for x
    x = 851,106,555.01/33,510.56
  6. Step 6: Final answer
    x = 25,398.16

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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.