Home / 51,992.72-71,749.95-28,119.39

Finding the Fourth Proportional to 51,992.72, 71,749.95 and 28,119.39

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Solution

The fourth proportional to 51,992.72, 71,749.95 and 28,119.39 is: 38,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.72 : 71,749.95 = 28,119.39 : x
  2. Step 2: Convert to fraction form
    51,992.72/71,749.95 = 28,119.39/x
  3. Step 3: Cross multiply
    51,992.72x = 71,749.95 × 28,119.39
  4. Step 4: Simplify right side
    51,992.72x = 2,017,564,653.82
  5. Step 5: Solve for x
    x = 2,017,564,653.82/51,992.72
  6. Step 6: Final answer
    x = 38,804.76

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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.