Home / 54,020.55-74,539.44-30,147.16

Finding the Fourth Proportional to 54,020.55, 74,539.44 and 30,147.16

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Solution

The fourth proportional to 54,020.55, 74,539.44 and 30,147.16 is: 41,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.55 : 74,539.44 = 30,147.16 : x
  2. Step 2: Convert to fraction form
    54,020.55/74,539.44 = 30,147.16/x
  3. Step 3: Cross multiply
    54,020.55x = 74,539.44 × 30,147.16
  4. Step 4: Simplify right side
    54,020.55x = 2,247,152,423.99
  5. Step 5: Solve for x
    x = 2,247,152,423.99/54,020.55
  6. Step 6: Final answer
    x = 41,598.10

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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.