Home / 29,377.84-40,552.20-21,460.72

Finding the Fourth Proportional to 29,377.84, 40,552.20 and 21,460.72

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Solution

The fourth proportional to 29,377.84, 40,552.20 and 21,460.72 is: 29,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,377.84 : 40,552.20 = 21,460.72 : x
  2. Step 2: Convert to fraction form
    29,377.84/40,552.20 = 21,460.72/x
  3. Step 3: Cross multiply
    29,377.84x = 40,552.20 × 21,460.72
  4. Step 4: Simplify right side
    29,377.84x = 870,279,409.58
  5. Step 5: Solve for x
    x = 870,279,409.58/29,377.84
  6. Step 6: Final answer
    x = 29,623.67

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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.