Home / 50,666.85-75,959.31-21,106.92

Finding the Fourth Proportional to 50,666.85, 75,959.31 and 21,106.92

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Solution

The fourth proportional to 50,666.85, 75,959.31 and 21,106.92 is: 31,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.85 : 75,959.31 = 21,106.92 : x
  2. Step 2: Convert to fraction form
    50,666.85/75,959.31 = 21,106.92/x
  3. Step 3: Cross multiply
    50,666.85x = 75,959.31 × 21,106.92
  4. Step 4: Simplify right side
    50,666.85x = 1,603,267,079.43
  5. Step 5: Solve for x
    x = 1,603,267,079.43/50,666.85
  6. Step 6: Final answer
    x = 31,643.31

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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.