Home / 39,039.37-58,558.86-9,457.21

Finding the Fourth Proportional to 39,039.37, 58,558.86 and 9,457.21

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Solution

The fourth proportional to 39,039.37, 58,558.86 and 9,457.21 is: 14,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,039.37 : 58,558.86 = 9,457.21 : x
  2. Step 2: Convert to fraction form
    39,039.37/58,558.86 = 9,457.21/x
  3. Step 3: Cross multiply
    39,039.37x = 58,558.86 × 9,457.21
  4. Step 4: Simplify right side
    39,039.37x = 553,803,289.98
  5. Step 5: Solve for x
    x = 553,803,289.98/39,039.37
  6. Step 6: Final answer
    x = 14,185.76

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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.