Home / 31,673.51-43,476.59-28,008.15

Finding the Fourth Proportional to 31,673.51, 43,476.59 and 28,008.15

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Solution

The fourth proportional to 31,673.51, 43,476.59 and 28,008.15 is: 38,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.51 : 43,476.59 = 28,008.15 : x
  2. Step 2: Convert to fraction form
    31,673.51/43,476.59 = 28,008.15/x
  3. Step 3: Cross multiply
    31,673.51x = 43,476.59 × 28,008.15
  4. Step 4: Simplify right side
    31,673.51x = 1,217,698,854.21
  5. Step 5: Solve for x
    x = 1,217,698,854.21/31,673.51
  6. Step 6: Final answer
    x = 38,445.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.