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Finding the Fourth Proportional to 35,935.80, 53,801.30 and 34,911.80

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Solution

The fourth proportional to 35,935.80, 53,801.30 and 34,911.80 is: 52,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.80 : 53,801.30 = 34,911.80 : x
  2. Step 2: Convert to fraction form
    35,935.80/53,801.30 = 34,911.80/x
  3. Step 3: Cross multiply
    35,935.80x = 53,801.30 × 34,911.80
  4. Step 4: Simplify right side
    35,935.80x = 1,878,300,225.34
  5. Step 5: Solve for x
    x = 1,878,300,225.34/35,935.80
  6. Step 6: Final answer
    x = 52,268.22

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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.