Home / 39,352.72-54,307.56-21,448.48

Finding the Fourth Proportional to 39,352.72, 54,307.56 and 21,448.48

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Solution

The fourth proportional to 39,352.72, 54,307.56 and 21,448.48 is: 29,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.72 : 54,307.56 = 21,448.48 : x
  2. Step 2: Convert to fraction form
    39,352.72/54,307.56 = 21,448.48/x
  3. Step 3: Cross multiply
    39,352.72x = 54,307.56 × 21,448.48
  4. Step 4: Simplify right side
    39,352.72x = 1,164,814,614.51
  5. Step 5: Solve for x
    x = 1,164,814,614.51/39,352.72
  6. Step 6: Final answer
    x = 29,599.34

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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.