Home / 54,487.74-75,193.15-30,614.40

Finding the Fourth Proportional to 54,487.74, 75,193.15 and 30,614.40

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Solution

The fourth proportional to 54,487.74, 75,193.15 and 30,614.40 is: 42,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487.74 : 75,193.15 = 30,614.40 : x
  2. Step 2: Convert to fraction form
    54,487.74/75,193.15 = 30,614.40/x
  3. Step 3: Cross multiply
    54,487.74x = 75,193.15 × 30,614.40
  4. Step 4: Simplify right side
    54,487.74x = 2,301,993,018.29
  5. Step 5: Solve for x
    x = 2,301,993,018.29/54,487.74
  6. Step 6: Final answer
    x = 42,247.91

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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.