Home / 50,210.76-75,312.48-20,620.56

Finding the Fourth Proportional to 50,210.76, 75,312.48 and 20,620.56

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Solution

The fourth proportional to 50,210.76, 75,312.48 and 20,620.56 is: 30,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,210.76 : 75,312.48 = 20,620.56 : x
  2. Step 2: Convert to fraction form
    50,210.76/75,312.48 = 20,620.56/x
  3. Step 3: Cross multiply
    50,210.76x = 75,312.48 × 20,620.56
  4. Step 4: Simplify right side
    50,210.76x = 1,552,985,512.59
  5. Step 5: Solve for x
    x = 1,552,985,512.59/50,210.76
  6. Step 6: Final answer
    x = 30,929.34

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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.