Home / 54,756.42-75,574.80-30,883.56

Finding the Fourth Proportional to 54,756.42, 75,574.80 and 30,883.56

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Solution

The fourth proportional to 54,756.42, 75,574.80 and 30,883.56 is: 42,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.42 : 75,574.80 = 30,883.56 : x
  2. Step 2: Convert to fraction form
    54,756.42/75,574.80 = 30,883.56/x
  3. Step 3: Cross multiply
    54,756.42x = 75,574.80 × 30,883.56
  4. Step 4: Simplify right side
    54,756.42x = 2,334,018,870.29
  5. Step 5: Solve for x
    x = 2,334,018,870.29/54,756.42
  6. Step 6: Final answer
    x = 42,625.48

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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.