Home / 51,126.71-70,554.20-29,619.39

Finding the Fourth Proportional to 51,126.71, 70,554.20 and 29,619.39

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Solution

The fourth proportional to 51,126.71, 70,554.20 and 29,619.39 is: 40,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.71 : 70,554.20 = 29,619.39 : x
  2. Step 2: Convert to fraction form
    51,126.71/70,554.20 = 29,619.39/x
  3. Step 3: Cross multiply
    51,126.71x = 70,554.20 × 29,619.39
  4. Step 4: Simplify right side
    51,126.71x = 2,089,772,217.84
  5. Step 5: Solve for x
    x = 2,089,772,217.84/51,126.71
  6. Step 6: Final answer
    x = 40,874.37

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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.