Home / 35,923.40-53,812.20-20,322.80

Finding the Fourth Proportional to 35,923.40, 53,812.20 and 20,322.80

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Solution

The fourth proportional to 35,923.40, 53,812.20 and 20,322.80 is: 30,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,923.40 : 53,812.20 = 20,322.80 : x
  2. Step 2: Convert to fraction form
    35,923.40/53,812.20 = 20,322.80/x
  3. Step 3: Cross multiply
    35,923.40x = 53,812.20 × 20,322.80
  4. Step 4: Simplify right side
    35,923.40x = 1,093,614,578.16
  5. Step 5: Solve for x
    x = 1,093,614,578.16/35,923.40
  6. Step 6: Final answer
    x = 30,442.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.