Home / 52,558.45-78,790.79-19,270.76

Finding the Fourth Proportional to 52,558.45, 78,790.79 and 19,270.76

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Solution

The fourth proportional to 52,558.45, 78,790.79 and 19,270.76 is: 28,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,558.45 : 78,790.79 = 19,270.76 : x
  2. Step 2: Convert to fraction form
    52,558.45/78,790.79 = 19,270.76/x
  3. Step 3: Cross multiply
    52,558.45x = 78,790.79 × 19,270.76
  4. Step 4: Simplify right side
    52,558.45x = 1,518,358,058.52
  5. Step 5: Solve for x
    x = 1,518,358,058.52/52,558.45
  6. Step 6: Final answer
    x = 28,888.94

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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.