Home / 38,649.84-53,307.77-25,917.45

Finding the Fourth Proportional to 38,649.84, 53,307.77 and 25,917.45

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Solution

The fourth proportional to 38,649.84, 53,307.77 and 25,917.45 is: 35,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649.84 : 53,307.77 = 25,917.45 : x
  2. Step 2: Convert to fraction form
    38,649.84/53,307.77 = 25,917.45/x
  3. Step 3: Cross multiply
    38,649.84x = 53,307.77 × 25,917.45
  4. Step 4: Simplify right side
    38,649.84x = 1,381,601,334.00
  5. Step 5: Solve for x
    x = 1,381,601,334.00/38,649.84
  6. Step 6: Final answer
    x = 35,746.62

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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.