Home / 39,352.13-54,307.09-21,448.29

Finding the Fourth Proportional to 39,352.13, 54,307.09 and 21,448.29

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Solution

The fourth proportional to 39,352.13, 54,307.09 and 21,448.29 is: 29,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.13 : 54,307.09 = 21,448.29 : x
  2. Step 2: Convert to fraction form
    39,352.13/54,307.09 = 21,448.29/x
  3. Step 3: Cross multiply
    39,352.13x = 54,307.09 × 21,448.29
  4. Step 4: Simplify right side
    39,352.13x = 1,164,794,445.84
  5. Step 5: Solve for x
    x = 1,164,794,445.84/39,352.13
  6. Step 6: Final answer
    x = 29,599.27

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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.