Home / 52,296.81-78,445.22-21,153.93

Finding the Fourth Proportional to 52,296.81, 78,445.22 and 21,153.93

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Solution

The fourth proportional to 52,296.81, 78,445.22 and 21,153.93 is: 31,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.81 : 78,445.22 = 21,153.93 : x
  2. Step 2: Convert to fraction form
    52,296.81/78,445.22 = 21,153.93/x
  3. Step 3: Cross multiply
    52,296.81x = 78,445.22 × 21,153.93
  4. Step 4: Simplify right side
    52,296.81x = 1,659,424,586.94
  5. Step 5: Solve for x
    x = 1,659,424,586.94/52,296.81
  6. Step 6: Final answer
    x = 31,730.90

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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.