Home / 48,295.04-66,653.08-30,390.80

Finding the Fourth Proportional to 48,295.04, 66,653.08 and 30,390.80

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Solution

The fourth proportional to 48,295.04, 66,653.08 and 30,390.80 is: 41,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.04 : 66,653.08 = 30,390.80 : x
  2. Step 2: Convert to fraction form
    48,295.04/66,653.08 = 30,390.80/x
  3. Step 3: Cross multiply
    48,295.04x = 66,653.08 × 30,390.80
  4. Step 4: Simplify right side
    48,295.04x = 2,025,640,014.42
  5. Step 5: Solve for x
    x = 2,025,640,014.42/48,295.04
  6. Step 6: Final answer
    x = 41,943.03

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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.