Home / 35,094.08-48,407.20-20,936

Finding the Fourth Proportional to 35,094.08, 48,407.20 and 20,936

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Solution

The fourth proportional to 35,094.08, 48,407.20 and 20,936 is: 28,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,094.08 : 48,407.20 = 20,936 : x
  2. Step 2: Convert to fraction form
    35,094.08/48,407.20 = 20,936/x
  3. Step 3: Cross multiply
    35,094.08x = 48,407.20 × 20,936
  4. Step 4: Simplify right side
    35,094.08x = 1,013,453,139.20
  5. Step 5: Solve for x
    x = 1,013,453,139.20/35,094.08
  6. Step 6: Final answer
    x = 28,878.18

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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.