Home / 39,450.79-54,437.18-23,316.20

Finding the Fourth Proportional to 39,450.79, 54,437.18 and 23,316.20

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Solution

The fourth proportional to 39,450.79, 54,437.18 and 23,316.20 is: 32,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.79 : 54,437.18 = 23,316.20 : x
  2. Step 2: Convert to fraction form
    39,450.79/54,437.18 = 23,316.20/x
  3. Step 3: Cross multiply
    39,450.79x = 54,437.18 × 23,316.20
  4. Step 4: Simplify right side
    39,450.79x = 1,269,268,176.32
  5. Step 5: Solve for x
    x = 1,269,268,176.32/39,450.79
  6. Step 6: Final answer
    x = 32,173.45

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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.