Home / 39,357.50-54,312.80-21,452.58

Finding the Fourth Proportional to 39,357.50, 54,312.80 and 21,452.58

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Solution

The fourth proportional to 39,357.50, 54,312.80 and 21,452.58 is: 29,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.50 : 54,312.80 = 21,452.58 : x
  2. Step 2: Convert to fraction form
    39,357.50/54,312.80 = 21,452.58/x
  3. Step 3: Cross multiply
    39,357.50x = 54,312.80 × 21,452.58
  4. Step 4: Simplify right side
    39,357.50x = 1,165,149,760.77
  5. Step 5: Solve for x
    x = 1,165,149,760.77/39,357.50
  6. Step 6: Final answer
    x = 29,604.26

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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.