Home / 34,218.08-47,232.60-20,065.76

Finding the Fourth Proportional to 34,218.08, 47,232.60 and 20,065.76

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Solution

The fourth proportional to 34,218.08, 47,232.60 and 20,065.76 is: 27,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.08 : 47,232.60 = 20,065.76 : x
  2. Step 2: Convert to fraction form
    34,218.08/47,232.60 = 20,065.76/x
  3. Step 3: Cross multiply
    34,218.08x = 47,232.60 × 20,065.76
  4. Step 4: Simplify right side
    34,218.08x = 947,758,015.78
  5. Step 5: Solve for x
    x = 947,758,015.78/34,218.08
  6. Step 6: Final answer
    x = 27,697.58

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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.