Home / 52,756.64-79,109.40-19,492.36

Finding the Fourth Proportional to 52,756.64, 79,109.40 and 19,492.36

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Solution

The fourth proportional to 52,756.64, 79,109.40 and 19,492.36 is: 29,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.64 : 79,109.40 = 19,492.36 : x
  2. Step 2: Convert to fraction form
    52,756.64/79,109.40 = 19,492.36/x
  3. Step 3: Cross multiply
    52,756.64x = 79,109.40 × 19,492.36
  4. Step 4: Simplify right side
    52,756.64x = 1,542,028,904.18
  5. Step 5: Solve for x
    x = 1,542,028,904.18/52,756.64
  6. Step 6: Final answer
    x = 29,229.10

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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.