Home / 37,928.66-52,339.64-21,158.42

Finding the Fourth Proportional to 37,928.66, 52,339.64 and 21,158.42

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Solution

The fourth proportional to 37,928.66, 52,339.64 and 21,158.42 is: 29,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,928.66 : 52,339.64 = 21,158.42 : x
  2. Step 2: Convert to fraction form
    37,928.66/52,339.64 = 21,158.42/x
  3. Step 3: Cross multiply
    37,928.66x = 52,339.64 × 21,158.42
  4. Step 4: Simplify right side
    37,928.66x = 1,107,424,085.77
  5. Step 5: Solve for x
    x = 1,107,424,085.77/37,928.66
  6. Step 6: Final answer
    x = 29,197.55

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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.