Home / 30,539.92-45,802.65-17,218.82

Finding the Fourth Proportional to 30,539.92, 45,802.65 and 17,218.82

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Solution

The fourth proportional to 30,539.92, 45,802.65 and 17,218.82 is: 25,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539.92 : 45,802.65 = 17,218.82 : x
  2. Step 2: Convert to fraction form
    30,539.92/45,802.65 = 17,218.82/x
  3. Step 3: Cross multiply
    30,539.92x = 45,802.65 × 17,218.82
  4. Step 4: Simplify right side
    30,539.92x = 788,667,585.87
  5. Step 5: Solve for x
    x = 788,667,585.87/30,539.92
  6. Step 6: Final answer
    x = 25,824.15

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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.