Home / 30,921.73-46,376.76-13,149.10

Finding the Fourth Proportional to 30,921.73, 46,376.76 and 13,149.10

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Solution

The fourth proportional to 30,921.73, 46,376.76 and 13,149.10 is: 19,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.73 : 46,376.76 = 13,149.10 : x
  2. Step 2: Convert to fraction form
    30,921.73/46,376.76 = 13,149.10/x
  3. Step 3: Cross multiply
    30,921.73x = 46,376.76 × 13,149.10
  4. Step 4: Simplify right side
    30,921.73x = 609,812,654.92
  5. Step 5: Solve for x
    x = 609,812,654.92/30,921.73
  6. Step 6: Final answer
    x = 19,721.17

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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.