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Finding the Fourth Proportional to 34,641.38, 51,962.07 and 19,840.05

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Solution

The fourth proportional to 34,641.38, 51,962.07 and 19,840.05 is: 29,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,641.38 : 51,962.07 = 19,840.05 : x
  2. Step 2: Convert to fraction form
    34,641.38/51,962.07 = 19,840.05/x
  3. Step 3: Cross multiply
    34,641.38x = 51,962.07 × 19,840.05
  4. Step 4: Simplify right side
    34,641.38x = 1,030,930,066.90
  5. Step 5: Solve for x
    x = 1,030,930,066.90/34,641.38
  6. Step 6: Final answer
    x = 29,760.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.