Home / 31,683.16-43,720.86-17,535.16

Finding the Fourth Proportional to 31,683.16, 43,720.86 and 17,535.16

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Solution

The fourth proportional to 31,683.16, 43,720.86 and 17,535.16 is: 24,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.16 : 43,720.86 = 17,535.16 : x
  2. Step 2: Convert to fraction form
    31,683.16/43,720.86 = 17,535.16/x
  3. Step 3: Cross multiply
    31,683.16x = 43,720.86 × 17,535.16
  4. Step 4: Simplify right side
    31,683.16x = 766,652,275.44
  5. Step 5: Solve for x
    x = 766,652,275.44/31,683.16
  6. Step 6: Final answer
    x = 24,197.47

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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.