Home / 55,034.57-75,955.74-30,837.18

Finding the Fourth Proportional to 55,034.57, 75,955.74 and 30,837.18

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Solution

The fourth proportional to 55,034.57, 75,955.74 and 30,837.18 is: 42,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.57 : 75,955.74 = 30,837.18 : x
  2. Step 2: Convert to fraction form
    55,034.57/75,955.74 = 30,837.18/x
  3. Step 3: Cross multiply
    55,034.57x = 75,955.74 × 30,837.18
  4. Step 4: Simplify right side
    55,034.57x = 2,342,260,446.63
  5. Step 5: Solve for x
    x = 2,342,260,446.63/55,034.57
  6. Step 6: Final answer
    x = 42,559.80

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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.