Home / 53,968.95-80,950.86-18,905.94

Finding the Fourth Proportional to 53,968.95, 80,950.86 and 18,905.94

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Solution

The fourth proportional to 53,968.95, 80,950.86 and 18,905.94 is: 28,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.95 : 80,950.86 = 18,905.94 : x
  2. Step 2: Convert to fraction form
    53,968.95/80,950.86 = 18,905.94/x
  3. Step 3: Cross multiply
    53,968.95x = 80,950.86 × 18,905.94
  4. Step 4: Simplify right side
    53,968.95x = 1,530,452,102.11
  5. Step 5: Solve for x
    x = 1,530,452,102.11/53,968.95
  6. Step 6: Final answer
    x = 28,358.01

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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.