Home / 57,639.47-79,542.41-32,148.09

Finding the Fourth Proportional to 57,639.47, 79,542.41 and 32,148.09

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Solution

The fourth proportional to 57,639.47, 79,542.41 and 32,148.09 is: 44,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.47 : 79,542.41 = 32,148.09 : x
  2. Step 2: Convert to fraction form
    57,639.47/79,542.41 = 32,148.09/x
  3. Step 3: Cross multiply
    57,639.47x = 79,542.41 × 32,148.09
  4. Step 4: Simplify right side
    57,639.47x = 2,557,136,394.76
  5. Step 5: Solve for x
    x = 2,557,136,394.76/57,639.47
  6. Step 6: Final answer
    x = 44,364.33

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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.