Home / 35,110.16-52,678.54-21,079.99

Finding the Fourth Proportional to 35,110.16, 52,678.54 and 21,079.99

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Solution

The fourth proportional to 35,110.16, 52,678.54 and 21,079.99 is: 31,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,110.16 : 52,678.54 = 21,079.99 : x
  2. Step 2: Convert to fraction form
    35,110.16/52,678.54 = 21,079.99/x
  3. Step 3: Cross multiply
    35,110.16x = 52,678.54 × 21,079.99
  4. Step 4: Simplify right side
    35,110.16x = 1,110,463,096.41
  5. Step 5: Solve for x
    x = 1,110,463,096.41/35,110.16
  6. Step 6: Final answer
    x = 31,627.97

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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.