Home / 38,631.42-57,891.24-18,887.67

Finding the Fourth Proportional to 38,631.42, 57,891.24 and 18,887.67

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Solution

The fourth proportional to 38,631.42, 57,891.24 and 18,887.67 is: 28,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631.42 : 57,891.24 = 18,887.67 : x
  2. Step 2: Convert to fraction form
    38,631.42/57,891.24 = 18,887.67/x
  3. Step 3: Cross multiply
    38,631.42x = 57,891.24 × 18,887.67
  4. Step 4: Simplify right side
    38,631.42x = 1,093,430,637.01
  5. Step 5: Solve for x
    x = 1,093,430,637.01/38,631.42
  6. Step 6: Final answer
    x = 28,304.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.