Home / 34,050.78-46,989.72-19,900.89

Finding the Fourth Proportional to 34,050.78, 46,989.72 and 19,900.89

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Solution

The fourth proportional to 34,050.78, 46,989.72 and 19,900.89 is: 27,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,050.78 : 46,989.72 = 19,900.89 : x
  2. Step 2: Convert to fraction form
    34,050.78/46,989.72 = 19,900.89/x
  3. Step 3: Cross multiply
    34,050.78x = 46,989.72 × 19,900.89
  4. Step 4: Simplify right side
    34,050.78x = 935,137,248.85
  5. Step 5: Solve for x
    x = 935,137,248.85/34,050.78
  6. Step 6: Final answer
    x = 27,463.02

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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.