Home / 30,678.11-46,017.14-9,901.61

Finding the Fourth Proportional to 30,678.11, 46,017.14 and 9,901.61

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Solution

The fourth proportional to 30,678.11, 46,017.14 and 9,901.61 is: 14,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678.11 : 46,017.14 = 9,901.61 : x
  2. Step 2: Convert to fraction form
    30,678.11/46,017.14 = 9,901.61/x
  3. Step 3: Cross multiply
    30,678.11x = 46,017.14 × 9,901.61
  4. Step 4: Simplify right side
    30,678.11x = 455,643,494.00
  5. Step 5: Solve for x
    x = 455,643,494.00/30,678.11
  6. Step 6: Final answer
    x = 14,852.40

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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.