Home / 32,628.28-45,045.68-21,482.68

Finding the Fourth Proportional to 32,628.28, 45,045.68 and 21,482.68

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Solution

The fourth proportional to 32,628.28, 45,045.68 and 21,482.68 is: 29,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628.28 : 45,045.68 = 21,482.68 : x
  2. Step 2: Convert to fraction form
    32,628.28/45,045.68 = 21,482.68/x
  3. Step 3: Cross multiply
    32,628.28x = 45,045.68 × 21,482.68
  4. Step 4: Simplify right side
    32,628.28x = 967,701,928.82
  5. Step 5: Solve for x
    x = 967,701,928.82/32,628.28
  6. Step 6: Final answer
    x = 29,658.38

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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.