Home / 38,411.08-53,005.08-21,414.76

Finding the Fourth Proportional to 38,411.08, 53,005.08 and 21,414.76

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Solution

The fourth proportional to 38,411.08, 53,005.08 and 21,414.76 is: 29,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.08 : 53,005.08 = 21,414.76 : x
  2. Step 2: Convert to fraction form
    38,411.08/53,005.08 = 21,414.76/x
  3. Step 3: Cross multiply
    38,411.08x = 53,005.08 × 21,414.76
  4. Step 4: Simplify right side
    38,411.08x = 1,135,091,066.98
  5. Step 5: Solve for x
    x = 1,135,091,066.98/38,411.08
  6. Step 6: Final answer
    x = 29,551.14

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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.