Home / 30,416.81-41,670.33-29,279.69

Finding the Fourth Proportional to 30,416.81, 41,670.33 and 29,279.69

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Solution

The fourth proportional to 30,416.81, 41,670.33 and 29,279.69 is: 40,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.81 : 41,670.33 = 29,279.69 : x
  2. Step 2: Convert to fraction form
    30,416.81/41,670.33 = 29,279.69/x
  3. Step 3: Cross multiply
    30,416.81x = 41,670.33 × 29,279.69
  4. Step 4: Simplify right side
    30,416.81x = 1,220,094,344.60
  5. Step 5: Solve for x
    x = 1,220,094,344.60/30,416.81
  6. Step 6: Final answer
    x = 40,112.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.