Home / 43,115.94-64,660.95-16,813.62

Finding the Fourth Proportional to 43,115.94, 64,660.95 and 16,813.62

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Solution

The fourth proportional to 43,115.94, 64,660.95 and 16,813.62 is: 25,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115.94 : 64,660.95 = 16,813.62 : x
  2. Step 2: Convert to fraction form
    43,115.94/64,660.95 = 16,813.62/x
  3. Step 3: Cross multiply
    43,115.94x = 64,660.95 × 16,813.62
  4. Step 4: Simplify right side
    43,115.94x = 1,087,184,642.14
  5. Step 5: Solve for x
    x = 1,087,184,642.14/43,115.94
  6. Step 6: Final answer
    x = 25,215.38

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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.