Home / 50,484.08-75,747-20,907.92

Finding the Fourth Proportional to 50,484.08, 75,747 and 20,907.92

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Solution

The fourth proportional to 50,484.08, 75,747 and 20,907.92 is: 31,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,484.08 : 75,747 = 20,907.92 : x
  2. Step 2: Convert to fraction form
    50,484.08/75,747 = 20,907.92/x
  3. Step 3: Cross multiply
    50,484.08x = 75,747 × 20,907.92
  4. Step 4: Simplify right side
    50,484.08x = 1,583,712,216.24
  5. Step 5: Solve for x
    x = 1,583,712,216.24/50,484.08
  6. Step 6: Final answer
    x = 31,370.53

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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.