Home / 52,253.46-78,389.64-19,020.06

Finding the Fourth Proportional to 52,253.46, 78,389.64 and 19,020.06

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Solution

The fourth proportional to 52,253.46, 78,389.64 and 19,020.06 is: 28,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.46 : 78,389.64 = 19,020.06 : x
  2. Step 2: Convert to fraction form
    52,253.46/78,389.64 = 19,020.06/x
  3. Step 3: Cross multiply
    52,253.46x = 78,389.64 × 19,020.06
  4. Step 4: Simplify right side
    52,253.46x = 1,490,975,656.18
  5. Step 5: Solve for x
    x = 1,490,975,656.18/52,253.46
  6. Step 6: Final answer
    x = 28,533.53

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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.