Home / 29,613.70-40,900.85-21,583.16

Finding the Fourth Proportional to 29,613.70, 40,900.85 and 21,583.16

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Solution

The fourth proportional to 29,613.70, 40,900.85 and 21,583.16 is: 29,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,613.70 : 40,900.85 = 21,583.16 : x
  2. Step 2: Convert to fraction form
    29,613.70/40,900.85 = 21,583.16/x
  3. Step 3: Cross multiply
    29,613.70x = 40,900.85 × 21,583.16
  4. Step 4: Simplify right side
    29,613.70x = 882,769,511.58
  5. Step 5: Solve for x
    x = 882,769,511.58/29,613.70
  6. Step 6: Final answer
    x = 29,809.50

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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.