Home / 54,012.38-81,018.59-14,569.51

Finding the Fourth Proportional to 54,012.38, 81,018.59 and 14,569.51

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Solution

The fourth proportional to 54,012.38, 81,018.59 and 14,569.51 is: 21,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.38 : 81,018.59 = 14,569.51 : x
  2. Step 2: Convert to fraction form
    54,012.38/81,018.59 = 14,569.51/x
  3. Step 3: Cross multiply
    54,012.38x = 81,018.59 × 14,569.51
  4. Step 4: Simplify right side
    54,012.38x = 1,180,401,157.19
  5. Step 5: Solve for x
    x = 1,180,401,157.19/54,012.38
  6. Step 6: Final answer
    x = 21,854.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.