Home / 30,416.48-45,624.76-21,026.96

Finding the Fourth Proportional to 30,416.48, 45,624.76 and 21,026.96

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Solution

The fourth proportional to 30,416.48, 45,624.76 and 21,026.96 is: 31,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.48 : 45,624.76 = 21,026.96 : x
  2. Step 2: Convert to fraction form
    30,416.48/45,624.76 = 21,026.96/x
  3. Step 3: Cross multiply
    30,416.48x = 45,624.76 × 21,026.96
  4. Step 4: Simplify right side
    30,416.48x = 959,350,003.53
  5. Step 5: Solve for x
    x = 959,350,003.53/30,416.48
  6. Step 6: Final answer
    x = 31,540.47

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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.