Home / 38,471.16-53,091.29-21,475.05

Finding the Fourth Proportional to 38,471.16, 53,091.29 and 21,475.05

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Solution

The fourth proportional to 38,471.16, 53,091.29 and 21,475.05 is: 29,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.16 : 53,091.29 = 21,475.05 : x
  2. Step 2: Convert to fraction form
    38,471.16/53,091.29 = 21,475.05/x
  3. Step 3: Cross multiply
    38,471.16x = 53,091.29 × 21,475.05
  4. Step 4: Simplify right side
    38,471.16x = 1,140,138,107.31
  5. Step 5: Solve for x
    x = 1,140,138,107.31/38,471.16
  6. Step 6: Final answer
    x = 29,636.18

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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.