Home / 38,271.83-57,407.76-20,852.37

Finding the Fourth Proportional to 38,271.83, 57,407.76 and 20,852.37

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Solution

The fourth proportional to 38,271.83, 57,407.76 and 20,852.37 is: 31,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.83 : 57,407.76 = 20,852.37 : x
  2. Step 2: Convert to fraction form
    38,271.83/57,407.76 = 20,852.37/x
  3. Step 3: Cross multiply
    38,271.83x = 57,407.76 × 20,852.37
  4. Step 4: Simplify right side
    38,271.83x = 1,197,087,852.39
  5. Step 5: Solve for x
    x = 1,197,087,852.39/38,271.83
  6. Step 6: Final answer
    x = 31,278.57

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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.