Home / 39,463.21-54,459.03-21,559.24

Finding the Fourth Proportional to 39,463.21, 54,459.03 and 21,559.24

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Solution

The fourth proportional to 39,463.21, 54,459.03 and 21,559.24 is: 29,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,463.21 : 54,459.03 = 21,559.24 : x
  2. Step 2: Convert to fraction form
    39,463.21/54,459.03 = 21,559.24/x
  3. Step 3: Cross multiply
    39,463.21x = 54,459.03 × 21,559.24
  4. Step 4: Simplify right side
    39,463.21x = 1,174,095,297.94
  5. Step 5: Solve for x
    x = 1,174,095,297.94/39,463.21
  6. Step 6: Final answer
    x = 29,751.64

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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.