Home / 34,785.63-52,177.70-8,490.30

Finding the Fourth Proportional to 34,785.63, 52,177.70 and 8,490.30

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Solution

The fourth proportional to 34,785.63, 52,177.70 and 8,490.30 is: 12,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.63 : 52,177.70 = 8,490.30 : x
  2. Step 2: Convert to fraction form
    34,785.63/52,177.70 = 8,490.30/x
  3. Step 3: Cross multiply
    34,785.63x = 52,177.70 × 8,490.30
  4. Step 4: Simplify right side
    34,785.63x = 443,004,283.86
  5. Step 5: Solve for x
    x = 443,004,283.86/34,785.63
  6. Step 6: Final answer
    x = 12,735.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.