Home / 34,808.21-48,030.41-20,666.69

Finding the Fourth Proportional to 34,808.21, 48,030.41 and 20,666.69

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Solution

The fourth proportional to 34,808.21, 48,030.41 and 20,666.69 is: 28,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.21 : 48,030.41 = 20,666.69 : x
  2. Step 2: Convert to fraction form
    34,808.21/48,030.41 = 20,666.69/x
  3. Step 3: Cross multiply
    34,808.21x = 48,030.41 × 20,666.69
  4. Step 4: Simplify right side
    34,808.21x = 992,629,490.71
  5. Step 5: Solve for x
    x = 992,629,490.71/34,808.21
  6. Step 6: Final answer
    x = 28,517.11

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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.