Home / 55,020.74-75,928.70-29,870.24

Finding the Fourth Proportional to 55,020.74, 75,928.70 and 29,870.24

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Solution

The fourth proportional to 55,020.74, 75,928.70 and 29,870.24 is: 41,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.74 : 75,928.70 = 29,870.24 : x
  2. Step 2: Convert to fraction form
    55,020.74/75,928.70 = 29,870.24/x
  3. Step 3: Cross multiply
    55,020.74x = 75,928.70 × 29,870.24
  4. Step 4: Simplify right side
    55,020.74x = 2,268,008,491.89
  5. Step 5: Solve for x
    x = 2,268,008,491.89/55,020.74
  6. Step 6: Final answer
    x = 41,220.97

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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.