Home / 50,284.49-75,436.47-19,117.31

Finding the Fourth Proportional to 50,284.49, 75,436.47 and 19,117.31

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Solution

The fourth proportional to 50,284.49, 75,436.47 and 19,117.31 is: 28,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,284.49 : 75,436.47 = 19,117.31 : x
  2. Step 2: Convert to fraction form
    50,284.49/75,436.47 = 19,117.31/x
  3. Step 3: Cross multiply
    50,284.49x = 75,436.47 × 19,117.31
  4. Step 4: Simplify right side
    50,284.49x = 1,442,142,570.89
  5. Step 5: Solve for x
    x = 1,442,142,570.89/50,284.49
  6. Step 6: Final answer
    x = 28,679.67

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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.