Home / 39,035.31-58,573.46-21,278.69

Finding the Fourth Proportional to 39,035.31, 58,573.46 and 21,278.69

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Solution

The fourth proportional to 39,035.31, 58,573.46 and 21,278.69 is: 31,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,035.31 : 58,573.46 = 21,278.69 : x
  2. Step 2: Convert to fraction form
    39,035.31/58,573.46 = 21,278.69/x
  3. Step 3: Cross multiply
    39,035.31x = 58,573.46 × 21,278.69
  4. Step 4: Simplify right side
    39,035.31x = 1,246,366,497.57
  5. Step 5: Solve for x
    x = 1,246,366,497.57/39,035.31
  6. Step 6: Final answer
    x = 31,929.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.