Home / 54,172.48-74,758.80-30,300.16

Finding the Fourth Proportional to 54,172.48, 74,758.80 and 30,300.16

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Solution

The fourth proportional to 54,172.48, 74,758.80 and 30,300.16 is: 41,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.48 : 74,758.80 = 30,300.16 : x
  2. Step 2: Convert to fraction form
    54,172.48/74,758.80 = 30,300.16/x
  3. Step 3: Cross multiply
    54,172.48x = 74,758.80 × 30,300.16
  4. Step 4: Simplify right side
    54,172.48x = 2,265,203,601.41
  5. Step 5: Solve for x
    x = 2,265,203,601.41/54,172.48
  6. Step 6: Final answer
    x = 41,814.66

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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.