Home / 52,389.83-78,583.97-12,946.94

Finding the Fourth Proportional to 52,389.83, 78,583.97 and 12,946.94

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Solution

The fourth proportional to 52,389.83, 78,583.97 and 12,946.94 is: 19,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,389.83 : 78,583.97 = 12,946.94 : x
  2. Step 2: Convert to fraction form
    52,389.83/78,583.97 = 12,946.94/x
  3. Step 3: Cross multiply
    52,389.83x = 78,583.97 × 12,946.94
  4. Step 4: Simplify right side
    52,389.83x = 1,017,421,486.90
  5. Step 5: Solve for x
    x = 1,017,421,486.90/52,389.83
  6. Step 6: Final answer
    x = 19,420.21

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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.