Home / 30,699.92-46,054.20-15,117.68

Finding the Fourth Proportional to 30,699.92, 46,054.20 and 15,117.68

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Solution

The fourth proportional to 30,699.92, 46,054.20 and 15,117.68 is: 22,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.92 : 46,054.20 = 15,117.68 : x
  2. Step 2: Convert to fraction form
    30,699.92/46,054.20 = 15,117.68/x
  3. Step 3: Cross multiply
    30,699.92x = 46,054.20 × 15,117.68
  4. Step 4: Simplify right side
    30,699.92x = 696,232,658.26
  5. Step 5: Solve for x
    x = 696,232,658.26/30,699.92
  6. Step 6: Final answer
    x = 22,678.65

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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.