Home / 38,889.98-53,649.51-25,455.32

Finding the Fourth Proportional to 38,889.98, 53,649.51 and 25,455.32

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Solution

The fourth proportional to 38,889.98, 53,649.51 and 25,455.32 is: 35,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.98 : 53,649.51 = 25,455.32 : x
  2. Step 2: Convert to fraction form
    38,889.98/53,649.51 = 25,455.32/x
  3. Step 3: Cross multiply
    38,889.98x = 53,649.51 × 25,455.32
  4. Step 4: Simplify right side
    38,889.98x = 1,365,665,444.89
  5. Step 5: Solve for x
    x = 1,365,665,444.89/38,889.98
  6. Step 6: Final answer
    x = 35,116.13

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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.