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Finding the Fourth Proportional to 32,212.99, 48,322.79 and 11,153.00

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Solution

The fourth proportional to 32,212.99, 48,322.79 and 11,153.00 is: 16,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,212.99 : 48,322.79 = 11,153.00 : x
  2. Step 2: Convert to fraction form
    32,212.99/48,322.79 = 11,153.00/x
  3. Step 3: Cross multiply
    32,212.99x = 48,322.79 × 11,153.00
  4. Step 4: Simplify right side
    32,212.99x = 538,943,779.49
  5. Step 5: Solve for x
    x = 538,943,779.49/32,212.99
  6. Step 6: Final answer
    x = 16,730.64

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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.