Home / 54,430.58-75,115.60-30,559.08

Finding the Fourth Proportional to 54,430.58, 75,115.60 and 30,559.08

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Solution

The fourth proportional to 54,430.58, 75,115.60 and 30,559.08 is: 42,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.58 : 75,115.60 = 30,559.08 : x
  2. Step 2: Convert to fraction form
    54,430.58/75,115.60 = 30,559.08/x
  3. Step 3: Cross multiply
    54,430.58x = 75,115.60 × 30,559.08
  4. Step 4: Simplify right side
    54,430.58x = 2,295,463,629.65
  5. Step 5: Solve for x
    x = 2,295,463,629.65/54,430.58
  6. Step 6: Final answer
    x = 42,172.32

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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.