Home / 31,215.65-46,784.07-19,966.73

Finding the Fourth Proportional to 31,215.65, 46,784.07 and 19,966.73

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Solution

The fourth proportional to 31,215.65, 46,784.07 and 19,966.73 is: 29,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.65 : 46,784.07 = 19,966.73 : x
  2. Step 2: Convert to fraction form
    31,215.65/46,784.07 = 19,966.73/x
  3. Step 3: Cross multiply
    31,215.65x = 46,784.07 × 19,966.73
  4. Step 4: Simplify right side
    31,215.65x = 934,124,893.99
  5. Step 5: Solve for x
    x = 934,124,893.99/31,215.65
  6. Step 6: Final answer
    x = 29,924.89

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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.