Home / 34,984.72-48,280.08-20,835.64

Finding the Fourth Proportional to 34,984.72, 48,280.08 and 20,835.64

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Solution

The fourth proportional to 34,984.72, 48,280.08 and 20,835.64 is: 28,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.72 : 48,280.08 = 20,835.64 : x
  2. Step 2: Convert to fraction form
    34,984.72/48,280.08 = 20,835.64/x
  3. Step 3: Cross multiply
    34,984.72x = 48,280.08 × 20,835.64
  4. Step 4: Simplify right side
    34,984.72x = 1,005,946,366.05
  5. Step 5: Solve for x
    x = 1,005,946,366.05/34,984.72
  6. Step 6: Final answer
    x = 28,753.88

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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.