Home / 52,245.60-78,334.32-18,959.36

Finding the Fourth Proportional to 52,245.60, 78,334.32 and 18,959.36

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Solution

The fourth proportional to 52,245.60, 78,334.32 and 18,959.36 is: 28,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,245.60 : 78,334.32 = 18,959.36 : x
  2. Step 2: Convert to fraction form
    52,245.60/78,334.32 = 18,959.36/x
  3. Step 3: Cross multiply
    52,245.60x = 78,334.32 × 18,959.36
  4. Step 4: Simplify right side
    52,245.60x = 1,485,168,573.24
  5. Step 5: Solve for x
    x = 1,485,168,573.24/52,245.60
  6. Step 6: Final answer
    x = 28,426.67

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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.