Home / 52,811.58-79,226.18-19,531.72

Finding the Fourth Proportional to 52,811.58, 79,226.18 and 19,531.72

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Solution

The fourth proportional to 52,811.58, 79,226.18 and 19,531.72 is: 29,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.58 : 79,226.18 = 19,531.72 : x
  2. Step 2: Convert to fraction form
    52,811.58/79,226.18 = 19,531.72/x
  3. Step 3: Cross multiply
    52,811.58x = 79,226.18 × 19,531.72
  4. Step 4: Simplify right side
    52,811.58x = 1,547,423,564.43
  5. Step 5: Solve for x
    x = 1,547,423,564.43/52,811.58
  6. Step 6: Final answer
    x = 29,300.84

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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.