Home / 38,664.72-53,360.28-21,900.24

Finding the Fourth Proportional to 38,664.72, 53,360.28 and 21,900.24

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Solution

The fourth proportional to 38,664.72, 53,360.28 and 21,900.24 is: 30,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.72 : 53,360.28 = 21,900.24 : x
  2. Step 2: Convert to fraction form
    38,664.72/53,360.28 = 21,900.24/x
  3. Step 3: Cross multiply
    38,664.72x = 53,360.28 × 21,900.24
  4. Step 4: Simplify right side
    38,664.72x = 1,168,602,938.47
  5. Step 5: Solve for x
    x = 1,168,602,938.47/38,664.72
  6. Step 6: Final answer
    x = 30,224.01

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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.