Home / 31,228.07-43,095.75-17,080.91

Finding the Fourth Proportional to 31,228.07, 43,095.75 and 17,080.91

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Solution

The fourth proportional to 31,228.07, 43,095.75 and 17,080.91 is: 23,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.07 : 43,095.75 = 17,080.91 : x
  2. Step 2: Convert to fraction form
    31,228.07/43,095.75 = 17,080.91/x
  3. Step 3: Cross multiply
    31,228.07x = 43,095.75 × 17,080.91
  4. Step 4: Simplify right side
    31,228.07x = 736,114,509.21
  5. Step 5: Solve for x
    x = 736,114,509.21/31,228.07
  6. Step 6: Final answer
    x = 23,572.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.