Home / 54,536.40-81,804.60-53,758.80

Finding the Fourth Proportional to 54,536.40, 81,804.60 and 53,758.80

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Solution

The fourth proportional to 54,536.40, 81,804.60 and 53,758.80 is: 80,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,536.40 : 81,804.60 = 53,758.80 : x
  2. Step 2: Convert to fraction form
    54,536.40/81,804.60 = 53,758.80/x
  3. Step 3: Cross multiply
    54,536.40x = 81,804.60 × 53,758.80
  4. Step 4: Simplify right side
    54,536.40x = 4,397,717,130.48
  5. Step 5: Solve for x
    x = 4,397,717,130.48/54,536.40
  6. Step 6: Final answer
    x = 80,638.20

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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.