Home / 54,602.83-75,354.33-30,731.05

Finding the Fourth Proportional to 54,602.83, 75,354.33 and 30,731.05

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Solution

The fourth proportional to 54,602.83, 75,354.33 and 30,731.05 is: 42,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.83 : 75,354.33 = 30,731.05 : x
  2. Step 2: Convert to fraction form
    54,602.83/75,354.33 = 30,731.05/x
  3. Step 3: Cross multiply
    54,602.83x = 75,354.33 × 30,731.05
  4. Step 4: Simplify right side
    54,602.83x = 2,315,717,682.95
  5. Step 5: Solve for x
    x = 2,315,717,682.95/54,602.83
  6. Step 6: Final answer
    x = 42,410.21

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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.