Home / 30,443.04-45,654.84-9,661.68

Finding the Fourth Proportional to 30,443.04, 45,654.84 and 9,661.68

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Solution

The fourth proportional to 30,443.04, 45,654.84 and 9,661.68 is: 14,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.04 : 45,654.84 = 9,661.68 : x
  2. Step 2: Convert to fraction form
    30,443.04/45,654.84 = 9,661.68/x
  3. Step 3: Cross multiply
    30,443.04x = 45,654.84 × 9,661.68
  4. Step 4: Simplify right side
    30,443.04x = 441,102,454.53
  5. Step 5: Solve for x
    x = 441,102,454.53/30,443.04
  6. Step 6: Final answer
    x = 14,489.44

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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.