Home / 34,931.94-48,197.88-19,821.20

Finding the Fourth Proportional to 34,931.94, 48,197.88 and 19,821.20

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Solution

The fourth proportional to 34,931.94, 48,197.88 and 19,821.20 is: 27,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.94 : 48,197.88 = 19,821.20 : x
  2. Step 2: Convert to fraction form
    34,931.94/48,197.88 = 19,821.20/x
  3. Step 3: Cross multiply
    34,931.94x = 48,197.88 × 19,821.20
  4. Step 4: Simplify right side
    34,931.94x = 955,339,578.07
  5. Step 5: Solve for x
    x = 955,339,578.07/34,931.94
  6. Step 6: Final answer
    x = 27,348.60

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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.