Home / 54,408.96-75,088.26-30,211.20

Finding the Fourth Proportional to 54,408.96, 75,088.26 and 30,211.20

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Solution

The fourth proportional to 54,408.96, 75,088.26 and 30,211.20 is: 41,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.96 : 75,088.26 = 30,211.20 : x
  2. Step 2: Convert to fraction form
    54,408.96/75,088.26 = 30,211.20/x
  3. Step 3: Cross multiply
    54,408.96x = 75,088.26 × 30,211.20
  4. Step 4: Simplify right side
    54,408.96x = 2,268,506,440.51
  5. Step 5: Solve for x
    x = 2,268,506,440.51/54,408.96
  6. Step 6: Final answer
    x = 41,693.62

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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.