Home / 50,330.66-75,430.37-20,718.68

Finding the Fourth Proportional to 50,330.66, 75,430.37 and 20,718.68

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Solution

The fourth proportional to 50,330.66, 75,430.37 and 20,718.68 is: 31,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,330.66 : 75,430.37 = 20,718.68 : x
  2. Step 2: Convert to fraction form
    50,330.66/75,430.37 = 20,718.68/x
  3. Step 3: Cross multiply
    50,330.66x = 75,430.37 × 20,718.68
  4. Step 4: Simplify right side
    50,330.66x = 1,562,817,372.96
  5. Step 5: Solve for x
    x = 1,562,817,372.96/50,330.66
  6. Step 6: Final answer
    x = 31,051.00

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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.