Home / 31,159.45-46,739.58-8,973.19

Finding the Fourth Proportional to 31,159.45, 46,739.58 and 8,973.19

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Solution

The fourth proportional to 31,159.45, 46,739.58 and 8,973.19 is: 13,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.45 : 46,739.58 = 8,973.19 : x
  2. Step 2: Convert to fraction form
    31,159.45/46,739.58 = 8,973.19/x
  3. Step 3: Cross multiply
    31,159.45x = 46,739.58 × 8,973.19
  4. Step 4: Simplify right side
    31,159.45x = 419,403,131.86
  5. Step 5: Solve for x
    x = 419,403,131.86/31,159.45
  6. Step 6: Final answer
    x = 13,459.90

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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.