Home / 52,389.92-78,582.76-12,946.02

Finding the Fourth Proportional to 52,389.92, 78,582.76 and 12,946.02

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Solution

The fourth proportional to 52,389.92, 78,582.76 and 12,946.02 is: 19,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,389.92 : 78,582.76 = 12,946.02 : x
  2. Step 2: Convert to fraction form
    52,389.92/78,582.76 = 12,946.02/x
  3. Step 3: Cross multiply
    52,389.92x = 78,582.76 × 12,946.02
  4. Step 4: Simplify right side
    52,389.92x = 1,017,333,982.62
  5. Step 5: Solve for x
    x = 1,017,333,982.62/52,389.92
  6. Step 6: Final answer
    x = 19,418.51

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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.