Home / 32,953.20-49,429.80-21,279.60

Finding the Fourth Proportional to 32,953.20, 49,429.80 and 21,279.60

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Solution

The fourth proportional to 32,953.20, 49,429.80 and 21,279.60 is: 31,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,953.20 : 49,429.80 = 21,279.60 : x
  2. Step 2: Convert to fraction form
    32,953.20/49,429.80 = 21,279.60/x
  3. Step 3: Cross multiply
    32,953.20x = 49,429.80 × 21,279.60
  4. Step 4: Simplify right side
    32,953.20x = 1,051,846,372.08
  5. Step 5: Solve for x
    x = 1,051,846,372.08/32,953.20
  6. Step 6: Final answer
    x = 31,919.40

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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.