Home / 31,510.35-43,485.21-17,364.10

Finding the Fourth Proportional to 31,510.35, 43,485.21 and 17,364.10

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Solution

The fourth proportional to 31,510.35, 43,485.21 and 17,364.10 is: 23,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.35 : 43,485.21 = 17,364.10 : x
  2. Step 2: Convert to fraction form
    31,510.35/43,485.21 = 17,364.10/x
  3. Step 3: Cross multiply
    31,510.35x = 43,485.21 × 17,364.10
  4. Step 4: Simplify right side
    31,510.35x = 755,081,448.14
  5. Step 5: Solve for x
    x = 755,081,448.14/31,510.35
  6. Step 6: Final answer
    x = 23,962.97

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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.