Home / 50,285.50-75,437.96-19,118.32

Finding the Fourth Proportional to 50,285.50, 75,437.96 and 19,118.32

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Solution

The fourth proportional to 50,285.50, 75,437.96 and 19,118.32 is: 28,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.50 : 75,437.96 = 19,118.32 : x
  2. Step 2: Convert to fraction form
    50,285.50/75,437.96 = 19,118.32/x
  3. Step 3: Cross multiply
    50,285.50x = 75,437.96 × 19,118.32
  4. Step 4: Simplify right side
    50,285.50x = 1,442,247,059.43
  5. Step 5: Solve for x
    x = 1,442,247,059.43/50,285.50
  6. Step 6: Final answer
    x = 28,681.17

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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.