Home / 31,507.48-43,480.32-17,360.20

Finding the Fourth Proportional to 31,507.48, 43,480.32 and 17,360.20

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Solution

The fourth proportional to 31,507.48, 43,480.32 and 17,360.20 is: 23,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.48 : 43,480.32 = 17,360.20 : x
  2. Step 2: Convert to fraction form
    31,507.48/43,480.32 = 17,360.20/x
  3. Step 3: Cross multiply
    31,507.48x = 43,480.32 × 17,360.20
  4. Step 4: Simplify right side
    31,507.48x = 754,827,051.26
  5. Step 5: Solve for x
    x = 754,827,051.26/31,507.48
  6. Step 6: Final answer
    x = 23,957.07

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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.