Home / 29,461.46-40,643.62-19,898.28

Finding the Fourth Proportional to 29,461.46, 40,643.62 and 19,898.28

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Solution

The fourth proportional to 29,461.46, 40,643.62 and 19,898.28 is: 27,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,461.46 : 40,643.62 = 19,898.28 : x
  2. Step 2: Convert to fraction form
    29,461.46/40,643.62 = 19,898.28/x
  3. Step 3: Cross multiply
    29,461.46x = 40,643.62 × 19,898.28
  4. Step 4: Simplify right side
    29,461.46x = 808,738,130.97
  5. Step 5: Solve for x
    x = 808,738,130.97/29,461.46
  6. Step 6: Final answer
    x = 27,450.71

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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.