Home / 30,363.29-45,546.31-9,301.80

Finding the Fourth Proportional to 30,363.29, 45,546.31 and 9,301.80

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Solution

The fourth proportional to 30,363.29, 45,546.31 and 9,301.80 is: 13,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.29 : 45,546.31 = 9,301.80 : x
  2. Step 2: Convert to fraction form
    30,363.29/45,546.31 = 9,301.80/x
  3. Step 3: Cross multiply
    30,363.29x = 45,546.31 × 9,301.80
  4. Step 4: Simplify right side
    30,363.29x = 423,662,813.90
  5. Step 5: Solve for x
    x = 423,662,813.90/30,363.29
  6. Step 6: Final answer
    x = 13,953.12

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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.