Home / 50,456.04-75,640.06-20,855.40

Finding the Fourth Proportional to 50,456.04, 75,640.06 and 20,855.40

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Solution

The fourth proportional to 50,456.04, 75,640.06 and 20,855.40 is: 31,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.04 : 75,640.06 = 20,855.40 : x
  2. Step 2: Convert to fraction form
    50,456.04/75,640.06 = 20,855.40/x
  3. Step 3: Cross multiply
    50,456.04x = 75,640.06 × 20,855.40
  4. Step 4: Simplify right side
    50,456.04x = 1,577,503,707.32
  5. Step 5: Solve for x
    x = 1,577,503,707.32/50,456.04
  6. Step 6: Final answer
    x = 31,264.91

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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.