Home / 54,611.98-75,366.93-30,740.18

Finding the Fourth Proportional to 54,611.98, 75,366.93 and 30,740.18

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Solution

The fourth proportional to 54,611.98, 75,366.93 and 30,740.18 is: 42,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,611.98 : 75,366.93 = 30,740.18 : x
  2. Step 2: Convert to fraction form
    54,611.98/75,366.93 = 30,740.18/x
  3. Step 3: Cross multiply
    54,611.98x = 75,366.93 × 30,740.18
  4. Step 4: Simplify right side
    54,611.98x = 2,316,792,994.25
  5. Step 5: Solve for x
    x = 2,316,792,994.25/54,611.98
  6. Step 6: Final answer
    x = 42,422.80

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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.