Home / 51,999.84-71,759.79-28,126.51

Finding the Fourth Proportional to 51,999.84, 71,759.79 and 28,126.51

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Solution

The fourth proportional to 51,999.84, 71,759.79 and 28,126.51 is: 38,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,999.84 : 71,759.79 = 28,126.51 : x
  2. Step 2: Convert to fraction form
    51,999.84/71,759.79 = 28,126.51/x
  3. Step 3: Cross multiply
    51,999.84x = 71,759.79 × 28,126.51
  4. Step 4: Simplify right side
    51,999.84x = 2,018,352,271.63
  5. Step 5: Solve for x
    x = 2,018,352,271.63/51,999.84
  6. Step 6: Final answer
    x = 38,814.59

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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.