Home / 30,210.36-41,681.16-19,591.44

Finding the Fourth Proportional to 30,210.36, 41,681.16 and 19,591.44

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Solution

The fourth proportional to 30,210.36, 41,681.16 and 19,591.44 is: 27,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210.36 : 41,681.16 = 19,591.44 : x
  2. Step 2: Convert to fraction form
    30,210.36/41,681.16 = 19,591.44/x
  3. Step 3: Cross multiply
    30,210.36x = 41,681.16 × 19,591.44
  4. Step 4: Simplify right side
    30,210.36x = 816,593,945.27
  5. Step 5: Solve for x
    x = 816,593,945.27/30,210.36
  6. Step 6: Final answer
    x = 27,030.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.