Home / 35,880.20-53,810.70-12,504.20

Finding the Fourth Proportional to 35,880.20, 53,810.70 and 12,504.20

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Solution

The fourth proportional to 35,880.20, 53,810.70 and 12,504.20 is: 18,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.20 : 53,810.70 = 12,504.20 : x
  2. Step 2: Convert to fraction form
    35,880.20/53,810.70 = 12,504.20/x
  3. Step 3: Cross multiply
    35,880.20x = 53,810.70 × 12,504.20
  4. Step 4: Simplify right side
    35,880.20x = 672,859,754.94
  5. Step 5: Solve for x
    x = 672,859,754.94/35,880.20
  6. Step 6: Final answer
    x = 18,752.95

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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.