Home / 30,446.16-41,937.56-21,477.92

Finding the Fourth Proportional to 30,446.16, 41,937.56 and 21,477.92

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Solution

The fourth proportional to 30,446.16, 41,937.56 and 21,477.92 is: 29,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.16 : 41,937.56 = 21,477.92 : x
  2. Step 2: Convert to fraction form
    30,446.16/41,937.56 = 21,477.92/x
  3. Step 3: Cross multiply
    30,446.16x = 41,937.56 × 21,477.92
  4. Step 4: Simplify right side
    30,446.16x = 900,731,558.68
  5. Step 5: Solve for x
    x = 900,731,558.68/30,446.16
  6. Step 6: Final answer
    x = 29,584.41

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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.