Home / 29,440.80-40,634.64-19,370.16

Finding the Fourth Proportional to 29,440.80, 40,634.64 and 19,370.16

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Solution

The fourth proportional to 29,440.80, 40,634.64 and 19,370.16 is: 26,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,440.80 : 40,634.64 = 19,370.16 : x
  2. Step 2: Convert to fraction form
    29,440.80/40,634.64 = 19,370.16/x
  3. Step 3: Cross multiply
    29,440.80x = 40,634.64 × 19,370.16
  4. Step 4: Simplify right side
    29,440.80x = 787,099,478.34
  5. Step 5: Solve for x
    x = 787,099,478.34/29,440.80
  6. Step 6: Final answer
    x = 26,734.99

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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.