Home / 29,639.45-40,902.50-16,210.67

Finding the Fourth Proportional to 29,639.45, 40,902.50 and 16,210.67

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Solution

The fourth proportional to 29,639.45, 40,902.50 and 16,210.67 is: 22,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.45 : 40,902.50 = 16,210.67 : x
  2. Step 2: Convert to fraction form
    29,639.45/40,902.50 = 16,210.67/x
  3. Step 3: Cross multiply
    29,639.45x = 40,902.50 × 16,210.67
  4. Step 4: Simplify right side
    29,639.45x = 663,056,765.69
  5. Step 5: Solve for x
    x = 663,056,765.69/29,639.45
  6. Step 6: Final answer
    x = 22,370.75

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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.