Home / 20,699.84-31,050.06-5,908.77

Finding the Fourth Proportional to 20,699.84, 31,050.06 and 5,908.77

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Solution

The fourth proportional to 20,699.84, 31,050.06 and 5,908.77 is: 8,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.84 : 31,050.06 = 5,908.77 : x
  2. Step 2: Convert to fraction form
    20,699.84/31,050.06 = 5,908.77/x
  3. Step 3: Cross multiply
    20,699.84x = 31,050.06 × 5,908.77
  4. Step 4: Simplify right side
    20,699.84x = 183,467,663.03
  5. Step 5: Solve for x
    x = 183,467,663.03/20,699.84
  6. Step 6: Final answer
    x = 8,863.24

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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.