Home / 55,386.54-76,432.98-30,236.04

Finding the Fourth Proportional to 55,386.54, 76,432.98 and 30,236.04

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Solution

The fourth proportional to 55,386.54, 76,432.98 and 30,236.04 is: 41,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.54 : 76,432.98 = 30,236.04 : x
  2. Step 2: Convert to fraction form
    55,386.54/76,432.98 = 30,236.04/x
  3. Step 3: Cross multiply
    55,386.54x = 76,432.98 × 30,236.04
  4. Step 4: Simplify right side
    55,386.54x = 2,311,030,640.60
  5. Step 5: Solve for x
    x = 2,311,030,640.60/55,386.54
  6. Step 6: Final answer
    x = 41,725.49

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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.