Home / 29,159.42-43,739.80-10,440.74

Finding the Fourth Proportional to 29,159.42, 43,739.80 and 10,440.74

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Solution

The fourth proportional to 29,159.42, 43,739.80 and 10,440.74 is: 15,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.42 : 43,739.80 = 10,440.74 : x
  2. Step 2: Convert to fraction form
    29,159.42/43,739.80 = 10,440.74/x
  3. Step 3: Cross multiply
    29,159.42x = 43,739.80 × 10,440.74
  4. Step 4: Simplify right side
    29,159.42x = 456,675,879.45
  5. Step 5: Solve for x
    x = 456,675,879.45/29,159.42
  6. Step 6: Final answer
    x = 15,661.35

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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.