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Finding the Fourth Proportional to 34,999.97, 52,482.13 and 12,807.59

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Solution

The fourth proportional to 34,999.97, 52,482.13 and 12,807.59 is: 19,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,999.97 : 52,482.13 = 12,807.59 : x
  2. Step 2: Convert to fraction form
    34,999.97/52,482.13 = 12,807.59/x
  3. Step 3: Cross multiply
    34,999.97x = 52,482.13 × 12,807.59
  4. Step 4: Simplify right side
    34,999.97x = 672,169,308.94
  5. Step 5: Solve for x
    x = 672,169,308.94/34,999.97
  6. Step 6: Final answer
    x = 19,204.86

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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.