Home / 54,698.12-75,483.40-30,825.65

Finding the Fourth Proportional to 54,698.12, 75,483.40 and 30,825.65

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Solution

The fourth proportional to 54,698.12, 75,483.40 and 30,825.65 is: 42,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,698.12 : 75,483.40 = 30,825.65 : x
  2. Step 2: Convert to fraction form
    54,698.12/75,483.40 = 30,825.65/x
  3. Step 3: Cross multiply
    54,698.12x = 75,483.40 × 30,825.65
  4. Step 4: Simplify right side
    54,698.12x = 2,326,824,869.21
  5. Step 5: Solve for x
    x = 2,326,824,869.21/54,698.12
  6. Step 6: Final answer
    x = 42,539.39

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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.