Home / 51,684.03-71,322.84-28,712.34

Finding the Fourth Proportional to 51,684.03, 71,322.84 and 28,712.34

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Solution

The fourth proportional to 51,684.03, 71,322.84 and 28,712.34 is: 39,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,684.03 : 71,322.84 = 28,712.34 : x
  2. Step 2: Convert to fraction form
    51,684.03/71,322.84 = 28,712.34/x
  3. Step 3: Cross multiply
    51,684.03x = 71,322.84 × 28,712.34
  4. Step 4: Simplify right side
    51,684.03x = 2,047,845,631.85
  5. Step 5: Solve for x
    x = 2,047,845,631.85/51,684.03
  6. Step 6: Final answer
    x = 39,622.41

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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.