Home / 45,071.18-62,141.73-28,910.01

Finding the Fourth Proportional to 45,071.18, 62,141.73 and 28,910.01

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Solution

The fourth proportional to 45,071.18, 62,141.73 and 28,910.01 is: 39,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,071.18 : 62,141.73 = 28,910.01 : x
  2. Step 2: Convert to fraction form
    45,071.18/62,141.73 = 28,910.01/x
  3. Step 3: Cross multiply
    45,071.18x = 62,141.73 × 28,910.01
  4. Step 4: Simplify right side
    45,071.18x = 1,796,518,322.96
  5. Step 5: Solve for x
    x = 1,796,518,322.96/45,071.18
  6. Step 6: Final answer
    x = 39,859.58

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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.