Home / 34,385.49-51,637.67-20,433.17

Finding the Fourth Proportional to 34,385.49, 51,637.67 and 20,433.17

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Solution

The fourth proportional to 34,385.49, 51,637.67 and 20,433.17 is: 30,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,385.49 : 51,637.67 = 20,433.17 : x
  2. Step 2: Convert to fraction form
    34,385.49/51,637.67 = 20,433.17/x
  3. Step 3: Cross multiply
    34,385.49x = 51,637.67 × 20,433.17
  4. Step 4: Simplify right side
    34,385.49x = 1,055,121,289.51
  5. Step 5: Solve for x
    x = 1,055,121,289.51/34,385.49
  6. Step 6: Final answer
    x = 30,685.07

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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.