Home / 33,728.81-46,545.51-18,621.47

Finding the Fourth Proportional to 33,728.81, 46,545.51 and 18,621.47

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Solution

The fourth proportional to 33,728.81, 46,545.51 and 18,621.47 is: 25,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.81 : 46,545.51 = 18,621.47 : x
  2. Step 2: Convert to fraction form
    33,728.81/46,545.51 = 18,621.47/x
  3. Step 3: Cross multiply
    33,728.81x = 46,545.51 × 18,621.47
  4. Step 4: Simplify right side
    33,728.81x = 866,745,818.10
  5. Step 5: Solve for x
    x = 866,745,818.10/33,728.81
  6. Step 6: Final answer
    x = 25,697.49

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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.