Home / 52,057.08-78,069.51-18,772.88

Finding the Fourth Proportional to 52,057.08, 78,069.51 and 18,772.88

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Solution

The fourth proportional to 52,057.08, 78,069.51 and 18,772.88 is: 28,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,057.08 : 78,069.51 = 18,772.88 : x
  2. Step 2: Convert to fraction form
    52,057.08/78,069.51 = 18,772.88/x
  3. Step 3: Cross multiply
    52,057.08x = 78,069.51 × 18,772.88
  4. Step 4: Simplify right side
    52,057.08x = 1,465,589,152.54
  5. Step 5: Solve for x
    x = 1,465,589,152.54/52,057.08
  6. Step 6: Final answer
    x = 28,153.50

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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.