Home / 29,645.09-40,909.35-16,216.05

Finding the Fourth Proportional to 29,645.09, 40,909.35 and 16,216.05

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Solution

The fourth proportional to 29,645.09, 40,909.35 and 16,216.05 is: 22,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.09 : 40,909.35 = 16,216.05 : x
  2. Step 2: Convert to fraction form
    29,645.09/40,909.35 = 16,216.05/x
  3. Step 3: Cross multiply
    29,645.09x = 40,909.35 × 16,216.05
  4. Step 4: Simplify right side
    29,645.09x = 663,388,065.07
  5. Step 5: Solve for x
    x = 663,388,065.07/29,645.09
  6. Step 6: Final answer
    x = 22,377.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.