Home / 51,992.81-71,750.09-28,119.48

Finding the Fourth Proportional to 51,992.81, 71,750.09 and 28,119.48

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Solution

The fourth proportional to 51,992.81, 71,750.09 and 28,119.48 is: 38,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.81 : 71,750.09 = 28,119.48 : x
  2. Step 2: Convert to fraction form
    51,992.81/71,750.09 = 28,119.48/x
  3. Step 3: Cross multiply
    51,992.81x = 71,750.09 × 28,119.48
  4. Step 4: Simplify right side
    51,992.81x = 2,017,575,267.41
  5. Step 5: Solve for x
    x = 2,017,575,267.41/51,992.81
  6. Step 6: Final answer
    x = 38,804.89

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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.