Home / 40,688.95-61,033.41-11,107.57

Finding the Fourth Proportional to 40,688.95, 61,033.41 and 11,107.57

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Solution

The fourth proportional to 40,688.95, 61,033.41 and 11,107.57 is: 16,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.95 : 61,033.41 = 11,107.57 : x
  2. Step 2: Convert to fraction form
    40,688.95/61,033.41 = 11,107.57/x
  3. Step 3: Cross multiply
    40,688.95x = 61,033.41 × 11,107.57
  4. Step 4: Simplify right side
    40,688.95x = 677,932,873.91
  5. Step 5: Solve for x
    x = 677,932,873.91/40,688.95
  6. Step 6: Final answer
    x = 16,661.35

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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.