Home / 51,852.35-77,761.22-20,254.22

Finding the Fourth Proportional to 51,852.35, 77,761.22 and 20,254.22

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Solution

The fourth proportional to 51,852.35, 77,761.22 and 20,254.22 is: 30,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,852.35 : 77,761.22 = 20,254.22 : x
  2. Step 2: Convert to fraction form
    51,852.35/77,761.22 = 20,254.22/x
  3. Step 3: Cross multiply
    51,852.35x = 77,761.22 × 20,254.22
  4. Step 4: Simplify right side
    51,852.35x = 1,574,992,519.18
  5. Step 5: Solve for x
    x = 1,574,992,519.18/51,852.35
  6. Step 6: Final answer
    x = 30,374.57

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1.5x scale

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.