Home / 39,985.14-60,014.42-20,277.84

Finding the Fourth Proportional to 39,985.14, 60,014.42 and 20,277.84

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Solution

The fourth proportional to 39,985.14, 60,014.42 and 20,277.84 is: 30,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,985.14 : 60,014.42 = 20,277.84 : x
  2. Step 2: Convert to fraction form
    39,985.14/60,014.42 = 20,277.84/x
  3. Step 3: Cross multiply
    39,985.14x = 60,014.42 × 20,277.84
  4. Step 4: Simplify right side
    39,985.14x = 1,216,962,806.45
  5. Step 5: Solve for x
    x = 1,216,962,806.45/39,985.14
  6. Step 6: Final answer
    x = 30,435.38

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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.