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Finding the Fourth Proportional to 52,656.30, 79,015.65 and 19,399.74

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Solution

The fourth proportional to 52,656.30, 79,015.65 and 19,399.74 is: 29,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,656.30 : 79,015.65 = 19,399.74 : x
  2. Step 2: Convert to fraction form
    52,656.30/79,015.65 = 19,399.74/x
  3. Step 3: Cross multiply
    52,656.30x = 79,015.65 × 19,399.74
  4. Step 4: Simplify right side
    52,656.30x = 1,532,883,065.93
  5. Step 5: Solve for x
    x = 1,532,883,065.93/52,656.30
  6. Step 6: Final answer
    x = 29,111.10

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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.