Home / 33,207-45,830.88-21,269.76

Finding the Fourth Proportional to 33,207, 45,830.88 and 21,269.76

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Solution

The fourth proportional to 33,207, 45,830.88 and 21,269.76 is: 29,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,207 : 45,830.88 = 21,269.76 : x
  2. Step 2: Convert to fraction form
    33,207/45,830.88 = 21,269.76/x
  3. Step 3: Cross multiply
    33,207x = 45,830.88 × 21,269.76
  4. Step 4: Simplify right side
    33,207x = 974,811,818.19
  5. Step 5: Solve for x
    x = 974,811,818.19/33,207
  6. Step 6: Final answer
    x = 29,355.61

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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.