Home / 54,549.15-75,269.06-30,674.40

Finding the Fourth Proportional to 54,549.15, 75,269.06 and 30,674.40

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Solution

The fourth proportional to 54,549.15, 75,269.06 and 30,674.40 is: 42,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,549.15 : 75,269.06 = 30,674.40 : x
  2. Step 2: Convert to fraction form
    54,549.15/75,269.06 = 30,674.40/x
  3. Step 3: Cross multiply
    54,549.15x = 75,269.06 × 30,674.40
  4. Step 4: Simplify right side
    54,549.15x = 2,308,833,100.69
  5. Step 5: Solve for x
    x = 2,308,833,100.69/54,549.15
  6. Step 6: Final answer
    x = 42,325.74

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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.