Home / 52,816.38-79,219.80-19,536.72

Finding the Fourth Proportional to 52,816.38, 79,219.80 and 19,536.72

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Solution

The fourth proportional to 52,816.38, 79,219.80 and 19,536.72 is: 29,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816.38 : 79,219.80 = 19,536.72 : x
  2. Step 2: Convert to fraction form
    52,816.38/79,219.80 = 19,536.72/x
  3. Step 3: Cross multiply
    52,816.38x = 79,219.80 × 19,536.72
  4. Step 4: Simplify right side
    52,816.38x = 1,547,695,051.06
  5. Step 5: Solve for x
    x = 1,547,695,051.06/52,816.38
  6. Step 6: Final answer
    x = 29,303.32

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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.