Home / 55,038.62-75,954.99-31,164.68

Finding the Fourth Proportional to 55,038.62, 75,954.99 and 31,164.68

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Solution

The fourth proportional to 55,038.62, 75,954.99 and 31,164.68 is: 43,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,038.62 : 75,954.99 = 31,164.68 : x
  2. Step 2: Convert to fraction form
    55,038.62/75,954.99 = 31,164.68/x
  3. Step 3: Cross multiply
    55,038.62x = 75,954.99 × 31,164.68
  4. Step 4: Simplify right side
    55,038.62x = 2,367,112,577.98
  5. Step 5: Solve for x
    x = 2,367,112,577.98/55,038.62
  6. Step 6: Final answer
    x = 43,008.21

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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.