Home / 31,221.42-46,839.52-9,035.32

Finding the Fourth Proportional to 31,221.42, 46,839.52 and 9,035.32

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Solution

The fourth proportional to 31,221.42, 46,839.52 and 9,035.32 is: 13,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.42 : 46,839.52 = 9,035.32 : x
  2. Step 2: Convert to fraction form
    31,221.42/46,839.52 = 9,035.32/x
  3. Step 3: Cross multiply
    31,221.42x = 46,839.52 × 9,035.32
  4. Step 4: Simplify right side
    31,221.42x = 423,210,051.85
  5. Step 5: Solve for x
    x = 423,210,051.85/31,221.42
  6. Step 6: Final answer
    x = 13,555.12

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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.