Home / 35,971.77-53,973.23-19,312.36

Finding the Fourth Proportional to 35,971.77, 53,973.23 and 19,312.36

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Solution

The fourth proportional to 35,971.77, 53,973.23 and 19,312.36 is: 28,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.77 : 53,973.23 = 19,312.36 : x
  2. Step 2: Convert to fraction form
    35,971.77/53,973.23 = 19,312.36/x
  3. Step 3: Cross multiply
    35,971.77x = 53,973.23 × 19,312.36
  4. Step 4: Simplify right side
    35,971.77x = 1,042,350,448.12
  5. Step 5: Solve for x
    x = 1,042,350,448.12/35,971.77
  6. Step 6: Final answer
    x = 28,976.90

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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.