Home / 54,645.48-75,408.72-30,445.88

Finding the Fourth Proportional to 54,645.48, 75,408.72 and 30,445.88

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Solution

The fourth proportional to 54,645.48, 75,408.72 and 30,445.88 is: 42,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.48 : 75,408.72 = 30,445.88 : x
  2. Step 2: Convert to fraction form
    54,645.48/75,408.72 = 30,445.88/x
  3. Step 3: Cross multiply
    54,645.48x = 75,408.72 × 30,445.88
  4. Step 4: Simplify right side
    54,645.48x = 2,295,884,840.07
  5. Step 5: Solve for x
    x = 2,295,884,840.07/54,645.48
  6. Step 6: Final answer
    x = 42,014.18

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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.