Home / 30,133.62-41,572.53-18,796.50

Finding the Fourth Proportional to 30,133.62, 41,572.53 and 18,796.50

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Solution

The fourth proportional to 30,133.62, 41,572.53 and 18,796.50 is: 25,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.62 : 41,572.53 = 18,796.50 : x
  2. Step 2: Convert to fraction form
    30,133.62/41,572.53 = 18,796.50/x
  3. Step 3: Cross multiply
    30,133.62x = 41,572.53 × 18,796.50
  4. Step 4: Simplify right side
    30,133.62x = 781,418,060.15
  5. Step 5: Solve for x
    x = 781,418,060.15/30,133.62
  6. Step 6: Final answer
    x = 25,931.77

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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.