Home / 52,739.01-79,121.21-21,574.35

Finding the Fourth Proportional to 52,739.01, 79,121.21 and 21,574.35

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Solution

The fourth proportional to 52,739.01, 79,121.21 and 21,574.35 is: 32,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739.01 : 79,121.21 = 21,574.35 : x
  2. Step 2: Convert to fraction form
    52,739.01/79,121.21 = 21,574.35/x
  3. Step 3: Cross multiply
    52,739.01x = 79,121.21 × 21,574.35
  4. Step 4: Simplify right side
    52,739.01x = 1,706,988,569.09
  5. Step 5: Solve for x
    x = 1,706,988,569.09/52,739.01
  6. Step 6: Final answer
    x = 32,366.72

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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.