Home / 30,260.33-45,390.81-9,203.79

Finding the Fourth Proportional to 30,260.33, 45,390.81 and 9,203.79

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Solution

The fourth proportional to 30,260.33, 45,390.81 and 9,203.79 is: 13,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.33 : 45,390.81 = 9,203.79 : x
  2. Step 2: Convert to fraction form
    30,260.33/45,390.81 = 9,203.79/x
  3. Step 3: Cross multiply
    30,260.33x = 45,390.81 × 9,203.79
  4. Step 4: Simplify right side
    30,260.33x = 417,767,483.17
  5. Step 5: Solve for x
    x = 417,767,483.17/30,260.33
  6. Step 6: Final answer
    x = 13,805.78

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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.