Home / 31,629.06-47,443.53-9,457.98

Finding the Fourth Proportional to 31,629.06, 47,443.53 and 9,457.98

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Solution

The fourth proportional to 31,629.06, 47,443.53 and 9,457.98 is: 14,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.06 : 47,443.53 = 9,457.98 : x
  2. Step 2: Convert to fraction form
    31,629.06/47,443.53 = 9,457.98/x
  3. Step 3: Cross multiply
    31,629.06x = 47,443.53 × 9,457.98
  4. Step 4: Simplify right side
    31,629.06x = 448,719,957.87
  5. Step 5: Solve for x
    x = 448,719,957.87/31,629.06
  6. Step 6: Final answer
    x = 14,186.95

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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.