Home / 38,881.53-53,659.23-21,887.37

Finding the Fourth Proportional to 38,881.53, 53,659.23 and 21,887.37

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Solution

The fourth proportional to 38,881.53, 53,659.23 and 21,887.37 is: 30,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.53 : 53,659.23 = 21,887.37 : x
  2. Step 2: Convert to fraction form
    38,881.53/53,659.23 = 21,887.37/x
  3. Step 3: Cross multiply
    38,881.53x = 53,659.23 × 21,887.37
  4. Step 4: Simplify right side
    38,881.53x = 1,174,459,420.93
  5. Step 5: Solve for x
    x = 1,174,459,420.93/38,881.53
  6. Step 6: Final answer
    x = 30,206.10

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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.