Home / 54,720.28-75,509.46-30,852.82

Finding the Fourth Proportional to 54,720.28, 75,509.46 and 30,852.82

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Solution

The fourth proportional to 54,720.28, 75,509.46 and 30,852.82 is: 42,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720.28 : 75,509.46 = 30,852.82 : x
  2. Step 2: Convert to fraction form
    54,720.28/75,509.46 = 30,852.82/x
  3. Step 3: Cross multiply
    54,720.28x = 75,509.46 × 30,852.82
  4. Step 4: Simplify right side
    54,720.28x = 2,329,679,777.68
  5. Step 5: Solve for x
    x = 2,329,679,777.68/54,720.28
  6. Step 6: Final answer
    x = 42,574.34

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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.