Home / 50,283.76-75,457.40-28,111.68

Finding the Fourth Proportional to 50,283.76, 75,457.40 and 28,111.68

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Solution

The fourth proportional to 50,283.76, 75,457.40 and 28,111.68 is: 42,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,283.76 : 75,457.40 = 28,111.68 : x
  2. Step 2: Convert to fraction form
    50,283.76/75,457.40 = 28,111.68/x
  3. Step 3: Cross multiply
    50,283.76x = 75,457.40 × 28,111.68
  4. Step 4: Simplify right side
    50,283.76x = 2,121,234,282.43
  5. Step 5: Solve for x
    x = 2,121,234,282.43/50,283.76
  6. Step 6: Final answer
    x = 42,185.28

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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.