Home / 29,645.61-40,909.77-16,216.89

Finding the Fourth Proportional to 29,645.61, 40,909.77 and 16,216.89

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Solution

The fourth proportional to 29,645.61, 40,909.77 and 16,216.89 is: 22,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.61 : 40,909.77 = 16,216.89 : x
  2. Step 2: Convert to fraction form
    29,645.61/40,909.77 = 16,216.89/x
  3. Step 3: Cross multiply
    29,645.61x = 40,909.77 × 16,216.89
  4. Step 4: Simplify right side
    29,645.61x = 663,429,240.02
  5. Step 5: Solve for x
    x = 663,429,240.02/29,645.61
  6. Step 6: Final answer
    x = 22,378.67

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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.