Home / 55,941.60-83,912.40-19,005.60

Finding the Fourth Proportional to 55,941.60, 83,912.40 and 19,005.60

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Solution

The fourth proportional to 55,941.60, 83,912.40 and 19,005.60 is: 28,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.60 : 83,912.40 = 19,005.60 : x
  2. Step 2: Convert to fraction form
    55,941.60/83,912.40 = 19,005.60/x
  3. Step 3: Cross multiply
    55,941.60x = 83,912.40 × 19,005.60
  4. Step 4: Simplify right side
    55,941.60x = 1,594,805,509.44
  5. Step 5: Solve for x
    x = 1,594,805,509.44/55,941.60
  6. Step 6: Final answer
    x = 28,508.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.