Home / 38,328.64-52,893.51-21,561.64

Finding the Fourth Proportional to 38,328.64, 52,893.51 and 21,561.64

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Solution

The fourth proportional to 38,328.64, 52,893.51 and 21,561.64 is: 29,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.64 : 52,893.51 = 21,561.64 : x
  2. Step 2: Convert to fraction form
    38,328.64/52,893.51 = 21,561.64/x
  3. Step 3: Cross multiply
    38,328.64x = 52,893.51 × 21,561.64
  4. Step 4: Simplify right side
    38,328.64x = 1,140,470,820.96
  5. Step 5: Solve for x
    x = 1,140,470,820.96/38,328.64
  6. Step 6: Final answer
    x = 29,755.06

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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.