Home / 38,450.65-57,675.63-12,155.40

Finding the Fourth Proportional to 38,450.65, 57,675.63 and 12,155.40

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Solution

The fourth proportional to 38,450.65, 57,675.63 and 12,155.40 is: 18,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.65 : 57,675.63 = 12,155.40 : x
  2. Step 2: Convert to fraction form
    38,450.65/57,675.63 = 12,155.40/x
  3. Step 3: Cross multiply
    38,450.65x = 57,675.63 × 12,155.40
  4. Step 4: Simplify right side
    38,450.65x = 701,070,330.11
  5. Step 5: Solve for x
    x = 701,070,330.11/38,450.65
  6. Step 6: Final answer
    x = 18,232.99

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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.