Home / 32,938.13-45,454.62-18,790.67

Finding the Fourth Proportional to 32,938.13, 45,454.62 and 18,790.67

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Solution

The fourth proportional to 32,938.13, 45,454.62 and 18,790.67 is: 25,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,938.13 : 45,454.62 = 18,790.67 : x
  2. Step 2: Convert to fraction form
    32,938.13/45,454.62 = 18,790.67/x
  3. Step 3: Cross multiply
    32,938.13x = 45,454.62 × 18,790.67
  4. Step 4: Simplify right side
    32,938.13x = 854,122,537.12
  5. Step 5: Solve for x
    x = 854,122,537.12/32,938.13
  6. Step 6: Final answer
    x = 25,931.12

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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.