Home / 38,450.55-57,655.26-19,722.93

Finding the Fourth Proportional to 38,450.55, 57,655.26 and 19,722.93

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Solution

The fourth proportional to 38,450.55, 57,655.26 and 19,722.93 is: 29,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.55 : 57,655.26 = 19,722.93 : x
  2. Step 2: Convert to fraction form
    38,450.55/57,655.26 = 19,722.93/x
  3. Step 3: Cross multiply
    38,450.55x = 57,655.26 × 19,722.93
  4. Step 4: Simplify right side
    38,450.55x = 1,137,130,657.11
  5. Step 5: Solve for x
    x = 1,137,130,657.11/38,450.55
  6. Step 6: Final answer
    x = 29,573.85

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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.