Home / 30,233.53-41,725.65-18,303.45

Finding the Fourth Proportional to 30,233.53, 41,725.65 and 18,303.45

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Solution

The fourth proportional to 30,233.53, 41,725.65 and 18,303.45 is: 25,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.53 : 41,725.65 = 18,303.45 : x
  2. Step 2: Convert to fraction form
    30,233.53/41,725.65 = 18,303.45/x
  3. Step 3: Cross multiply
    30,233.53x = 41,725.65 × 18,303.45
  4. Step 4: Simplify right side
    30,233.53x = 763,723,260.66
  5. Step 5: Solve for x
    x = 763,723,260.66/30,233.53
  6. Step 6: Final answer
    x = 25,260.80

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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.