Home / 29,342.07-40,485.27-19,799.67

Finding the Fourth Proportional to 29,342.07, 40,485.27 and 19,799.67

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Solution

The fourth proportional to 29,342.07, 40,485.27 and 19,799.67 is: 27,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.07 : 40,485.27 = 19,799.67 : x
  2. Step 2: Convert to fraction form
    29,342.07/40,485.27 = 19,799.67/x
  3. Step 3: Cross multiply
    29,342.07x = 40,485.27 × 19,799.67
  4. Step 4: Simplify right side
    29,342.07x = 801,594,985.86
  5. Step 5: Solve for x
    x = 801,594,985.86/29,342.07
  6. Step 6: Final answer
    x = 27,318.97

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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.