Home / 52,840.70-79,271.40-19,561.04

Finding the Fourth Proportional to 52,840.70, 79,271.40 and 19,561.04

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Solution

The fourth proportional to 52,840.70, 79,271.40 and 19,561.04 is: 29,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.70 : 79,271.40 = 19,561.04 : x
  2. Step 2: Convert to fraction form
    52,840.70/79,271.40 = 19,561.04/x
  3. Step 3: Cross multiply
    52,840.70x = 79,271.40 × 19,561.04
  4. Step 4: Simplify right side
    52,840.70x = 1,550,630,629.90
  5. Step 5: Solve for x
    x = 1,550,630,629.90/52,840.70
  6. Step 6: Final answer
    x = 29,345.39

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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.