Home / 34,851.21-48,094.86-20,511.58

Finding the Fourth Proportional to 34,851.21, 48,094.86 and 20,511.58

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Solution

The fourth proportional to 34,851.21, 48,094.86 and 20,511.58 is: 28,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,851.21 : 48,094.86 = 20,511.58 : x
  2. Step 2: Convert to fraction form
    34,851.21/48,094.86 = 20,511.58/x
  3. Step 3: Cross multiply
    34,851.21x = 48,094.86 × 20,511.58
  4. Step 4: Simplify right side
    34,851.21x = 986,501,615.34
  5. Step 5: Solve for x
    x = 986,501,615.34/34,851.21
  6. Step 6: Final answer
    x = 28,306.09

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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.