Home / 34,647.08-47,801.64-21,204.32

Finding the Fourth Proportional to 34,647.08, 47,801.64 and 21,204.32

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Solution

The fourth proportional to 34,647.08, 47,801.64 and 21,204.32 is: 29,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.08 : 47,801.64 = 21,204.32 : x
  2. Step 2: Convert to fraction form
    34,647.08/47,801.64 = 21,204.32/x
  3. Step 3: Cross multiply
    34,647.08x = 47,801.64 × 21,204.32
  4. Step 4: Simplify right side
    34,647.08x = 1,013,601,271.08
  5. Step 5: Solve for x
    x = 1,013,601,271.08/34,647.08
  6. Step 6: Final answer
    x = 29,255.03

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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.