Home / 34,511.09-47,526.70-31,078.86

Finding the Fourth Proportional to 34,511.09, 47,526.70 and 31,078.86

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Solution

The fourth proportional to 34,511.09, 47,526.70 and 31,078.86 is: 42,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,511.09 : 47,526.70 = 31,078.86 : x
  2. Step 2: Convert to fraction form
    34,511.09/47,526.70 = 31,078.86/x
  3. Step 3: Cross multiply
    34,511.09x = 47,526.70 × 31,078.86
  4. Step 4: Simplify right side
    34,511.09x = 1,477,075,858.92
  5. Step 5: Solve for x
    x = 1,477,075,858.92/34,511.09
  6. Step 6: Final answer
    x = 42,800.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.