Home / 50,722.50-76,068.87-19,109.76

Finding the Fourth Proportional to 50,722.50, 76,068.87 and 19,109.76

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Solution

The fourth proportional to 50,722.50, 76,068.87 and 19,109.76 is: 28,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.50 : 76,068.87 = 19,109.76 : x
  2. Step 2: Convert to fraction form
    50,722.50/76,068.87 = 19,109.76/x
  3. Step 3: Cross multiply
    50,722.50x = 76,068.87 × 19,109.76
  4. Step 4: Simplify right side
    50,722.50x = 1,453,657,849.17
  5. Step 5: Solve for x
    x = 1,453,657,849.17/50,722.50
  6. Step 6: Final answer
    x = 28,659.03

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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.