Home / 34,756.12-47,961.54-19,646.92

Finding the Fourth Proportional to 34,756.12, 47,961.54 and 19,646.92

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Solution

The fourth proportional to 34,756.12, 47,961.54 and 19,646.92 is: 27,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.12 : 47,961.54 = 19,646.92 : x
  2. Step 2: Convert to fraction form
    34,756.12/47,961.54 = 19,646.92/x
  3. Step 3: Cross multiply
    34,756.12x = 47,961.54 × 19,646.92
  4. Step 4: Simplify right side
    34,756.12x = 942,296,539.46
  5. Step 5: Solve for x
    x = 942,296,539.46/34,756.12
  6. Step 6: Final answer
    x = 27,111.67

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1.5x scale

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.