Home / 38,530.05-53,145.21-33,485.67

Finding the Fourth Proportional to 38,530.05, 53,145.21 and 33,485.67

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Solution

The fourth proportional to 38,530.05, 53,145.21 and 33,485.67 is: 46,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,530.05 : 53,145.21 = 33,485.67 : x
  2. Step 2: Convert to fraction form
    38,530.05/53,145.21 = 33,485.67/x
  3. Step 3: Cross multiply
    38,530.05x = 53,145.21 × 33,485.67
  4. Step 4: Simplify right side
    38,530.05x = 1,779,603,089.71
  5. Step 5: Solve for x
    x = 1,779,603,089.71/38,530.05
  6. Step 6: Final answer
    x = 46,187.41

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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.