Home / 39,463.53-54,463.42-21,561.23

Finding the Fourth Proportional to 39,463.53, 54,463.42 and 21,561.23

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Solution

The fourth proportional to 39,463.53, 54,463.42 and 21,561.23 is: 29,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.53 : 54,463.42 = 21,561.23 : x
  2. Step 2: Convert to fraction form
    39,463.53/54,463.42 = 21,561.23/x
  3. Step 3: Cross multiply
    39,463.53x = 54,463.42 × 21,561.23
  4. Step 4: Simplify right side
    39,463.53x = 1,174,298,325.21
  5. Step 5: Solve for x
    x = 1,174,298,325.21/39,463.53
  6. Step 6: Final answer
    x = 29,756.55

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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.