Home / 42,370.84-63,556.68-12,788.92

Finding the Fourth Proportional to 42,370.84, 63,556.68 and 12,788.92

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Solution

The fourth proportional to 42,370.84, 63,556.68 and 12,788.92 is: 19,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,370.84 : 63,556.68 = 12,788.92 : x
  2. Step 2: Convert to fraction form
    42,370.84/63,556.68 = 12,788.92/x
  3. Step 3: Cross multiply
    42,370.84x = 63,556.68 × 12,788.92
  4. Step 4: Simplify right side
    42,370.84x = 812,821,295.99
  5. Step 5: Solve for x
    x = 812,821,295.99/42,370.84
  6. Step 6: Final answer
    x = 19,183.51

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1.5x scale

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.