Home / 39,549.36-54,576.90-21,643.98

Finding the Fourth Proportional to 39,549.36, 54,576.90 and 21,643.98

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Solution

The fourth proportional to 39,549.36, 54,576.90 and 21,643.98 is: 29,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.36 : 54,576.90 = 21,643.98 : x
  2. Step 2: Convert to fraction form
    39,549.36/54,576.90 = 21,643.98/x
  3. Step 3: Cross multiply
    39,549.36x = 54,576.90 × 21,643.98
  4. Step 4: Simplify right side
    39,549.36x = 1,181,261,332.06
  5. Step 5: Solve for x
    x = 1,181,261,332.06/39,549.36
  6. Step 6: Final answer
    x = 29,868.03

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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.