Home / 38,699.82-53,365.20-28,649.34

Finding the Fourth Proportional to 38,699.82, 53,365.20 and 28,649.34

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Solution

The fourth proportional to 38,699.82, 53,365.20 and 28,649.34 is: 39,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.82 : 53,365.20 = 28,649.34 : x
  2. Step 2: Convert to fraction form
    38,699.82/53,365.20 = 28,649.34/x
  3. Step 3: Cross multiply
    38,699.82x = 53,365.20 × 28,649.34
  4. Step 4: Simplify right side
    38,699.82x = 1,528,877,758.97
  5. Step 5: Solve for x
    x = 1,528,877,758.97/38,699.82
  6. Step 6: Final answer
    x = 39,506.07

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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.