Home / 30,812.51-46,237.89-19,727.15

Finding the Fourth Proportional to 30,812.51, 46,237.89 and 19,727.15

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Solution

The fourth proportional to 30,812.51, 46,237.89 and 19,727.15 is: 29,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.51 : 46,237.89 = 19,727.15 : x
  2. Step 2: Convert to fraction form
    30,812.51/46,237.89 = 19,727.15/x
  3. Step 3: Cross multiply
    30,812.51x = 46,237.89 × 19,727.15
  4. Step 4: Simplify right side
    30,812.51x = 912,141,791.71
  5. Step 5: Solve for x
    x = 912,141,791.71/30,812.51
  6. Step 6: Final answer
    x = 29,602.97

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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.