Home / 52,071.08-78,087.78-18,782.19

Finding the Fourth Proportional to 52,071.08, 78,087.78 and 18,782.19

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Solution

The fourth proportional to 52,071.08, 78,087.78 and 18,782.19 is: 28,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,071.08 : 78,087.78 = 18,782.19 : x
  2. Step 2: Convert to fraction form
    52,071.08/78,087.78 = 18,782.19/x
  3. Step 3: Cross multiply
    52,071.08x = 78,087.78 × 18,782.19
  4. Step 4: Simplify right side
    52,071.08x = 1,466,659,520.64
  5. Step 5: Solve for x
    x = 1,466,659,520.64/52,071.08
  6. Step 6: Final answer
    x = 28,166.49

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1.5x scale

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.