Home / 39,352.94-54,307.31-21,447.89

Finding the Fourth Proportional to 39,352.94, 54,307.31 and 21,447.89

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Solution

The fourth proportional to 39,352.94, 54,307.31 and 21,447.89 is: 29,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.94 : 54,307.31 = 21,447.89 : x
  2. Step 2: Convert to fraction form
    39,352.94/54,307.31 = 21,447.89/x
  3. Step 3: Cross multiply
    39,352.94x = 54,307.31 × 21,447.89
  4. Step 4: Simplify right side
    39,352.94x = 1,164,776,832.30
  5. Step 5: Solve for x
    x = 1,164,776,832.30/39,352.94
  6. Step 6: Final answer
    x = 29,598.22

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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.