Home / 35,729.60-49,306.98-19,815.52

Finding the Fourth Proportional to 35,729.60, 49,306.98 and 19,815.52

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Solution

The fourth proportional to 35,729.60, 49,306.98 and 19,815.52 is: 27,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.60 : 49,306.98 = 19,815.52 : x
  2. Step 2: Convert to fraction form
    35,729.60/49,306.98 = 19,815.52/x
  3. Step 3: Cross multiply
    35,729.60x = 49,306.98 × 19,815.52
  4. Step 4: Simplify right side
    35,729.60x = 977,043,448.33
  5. Step 5: Solve for x
    x = 977,043,448.33/35,729.60
  6. Step 6: Final answer
    x = 27,345.49

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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.