Home / 29,639.85-40,900.91-16,210.82

Finding the Fourth Proportional to 29,639.85, 40,900.91 and 16,210.82

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Solution

The fourth proportional to 29,639.85, 40,900.91 and 16,210.82 is: 22,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.85 : 40,900.91 = 16,210.82 : x
  2. Step 2: Convert to fraction form
    29,639.85/40,900.91 = 16,210.82/x
  3. Step 3: Cross multiply
    29,639.85x = 40,900.91 × 16,210.82
  4. Step 4: Simplify right side
    29,639.85x = 663,037,004.29
  5. Step 5: Solve for x
    x = 663,037,004.29/29,639.85
  6. Step 6: Final answer
    x = 22,369.78

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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.