Home / 38,078.28-52,547.94-21,083.40

Finding the Fourth Proportional to 38,078.28, 52,547.94 and 21,083.40

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Solution

The fourth proportional to 38,078.28, 52,547.94 and 21,083.40 is: 29,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.28 : 52,547.94 = 21,083.40 : x
  2. Step 2: Convert to fraction form
    38,078.28/52,547.94 = 21,083.40/x
  3. Step 3: Cross multiply
    38,078.28x = 52,547.94 × 21,083.40
  4. Step 4: Simplify right side
    38,078.28x = 1,107,889,238.20
  5. Step 5: Solve for x
    x = 1,107,889,238.20/38,078.28
  6. Step 6: Final answer
    x = 29,095.04

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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.