Home / 52,931.16-79,405.80-17,862.60

Finding the Fourth Proportional to 52,931.16, 79,405.80 and 17,862.60

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Solution

The fourth proportional to 52,931.16, 79,405.80 and 17,862.60 is: 26,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,931.16 : 79,405.80 = 17,862.60 : x
  2. Step 2: Convert to fraction form
    52,931.16/79,405.80 = 17,862.60/x
  3. Step 3: Cross multiply
    52,931.16x = 79,405.80 × 17,862.60
  4. Step 4: Simplify right side
    52,931.16x = 1,418,394,043.08
  5. Step 5: Solve for x
    x = 1,418,394,043.08/52,931.16
  6. Step 6: Final answer
    x = 26,796.96

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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.