Home / 39,038.24-53,872.76-21,133.22

Finding the Fourth Proportional to 39,038.24, 53,872.76 and 21,133.22

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Solution

The fourth proportional to 39,038.24, 53,872.76 and 21,133.22 is: 29,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,038.24 : 53,872.76 = 21,133.22 : x
  2. Step 2: Convert to fraction form
    39,038.24/53,872.76 = 21,133.22/x
  3. Step 3: Cross multiply
    39,038.24x = 53,872.76 × 21,133.22
  4. Step 4: Simplify right side
    39,038.24x = 1,138,504,918.10
  5. Step 5: Solve for x
    x = 1,138,504,918.10/39,038.24
  6. Step 6: Final answer
    x = 29,163.84

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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.