Home / 55,113.51-82,707.16-19,573.38

Finding the Fourth Proportional to 55,113.51, 82,707.16 and 19,573.38

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Solution

The fourth proportional to 55,113.51, 82,707.16 and 19,573.38 is: 29,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,113.51 : 82,707.16 = 19,573.38 : x
  2. Step 2: Convert to fraction form
    55,113.51/82,707.16 = 19,573.38/x
  3. Step 3: Cross multiply
    55,113.51x = 82,707.16 × 19,573.38
  4. Step 4: Simplify right side
    55,113.51x = 1,618,858,671.40
  5. Step 5: Solve for x
    x = 1,618,858,671.40/55,113.51
  6. Step 6: Final answer
    x = 29,373.17

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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.