Home / 58,918.64-81,213.12-39,792.26

Finding the Fourth Proportional to 58,918.64, 81,213.12 and 39,792.26

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Solution

The fourth proportional to 58,918.64, 81,213.12 and 39,792.26 is: 54,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.64 : 81,213.12 = 39,792.26 : x
  2. Step 2: Convert to fraction form
    58,918.64/81,213.12 = 39,792.26/x
  3. Step 3: Cross multiply
    58,918.64x = 81,213.12 × 39,792.26
  4. Step 4: Simplify right side
    58,918.64x = 3,231,653,586.45
  5. Step 5: Solve for x
    x = 3,231,653,586.45/58,918.64
  6. Step 6: Final answer
    x = 54,849.43

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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.