Home / 31,520.48-43,498.44-17,373.32

Finding the Fourth Proportional to 31,520.48, 43,498.44 and 17,373.32

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Solution

The fourth proportional to 31,520.48, 43,498.44 and 17,373.32 is: 23,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.48 : 43,498.44 = 17,373.32 : x
  2. Step 2: Convert to fraction form
    31,520.48/43,498.44 = 17,373.32/x
  3. Step 3: Cross multiply
    31,520.48x = 43,498.44 × 17,373.32
  4. Step 4: Simplify right side
    31,520.48x = 755,712,100.13
  5. Step 5: Solve for x
    x = 755,712,100.13/31,520.48
  6. Step 6: Final answer
    x = 23,975.28

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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.