Home / 39,732.04-59,558.94-18,970.12

Finding the Fourth Proportional to 39,732.04, 59,558.94 and 18,970.12

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Solution

The fourth proportional to 39,732.04, 59,558.94 and 18,970.12 is: 28,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,732.04 : 59,558.94 = 18,970.12 : x
  2. Step 2: Convert to fraction form
    39,732.04/59,558.94 = 18,970.12/x
  3. Step 3: Cross multiply
    39,732.04x = 59,558.94 × 18,970.12
  4. Step 4: Simplify right side
    39,732.04x = 1,129,840,238.87
  5. Step 5: Solve for x
    x = 1,129,840,238.87/39,732.04
  6. Step 6: Final answer
    x = 28,436.50

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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.