Home / 29,302.70-40,491.36-21,331.08

Finding the Fourth Proportional to 29,302.70, 40,491.36 and 21,331.08

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Solution

The fourth proportional to 29,302.70, 40,491.36 and 21,331.08 is: 29,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.70 : 40,491.36 = 21,331.08 : x
  2. Step 2: Convert to fraction form
    29,302.70/40,491.36 = 21,331.08/x
  3. Step 3: Cross multiply
    29,302.70x = 40,491.36 × 21,331.08
  4. Step 4: Simplify right side
    29,302.70x = 863,724,439.47
  5. Step 5: Solve for x
    x = 863,724,439.47/29,302.70
  6. Step 6: Final answer
    x = 29,475.94

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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.