Home / 55,950.42-83,925.93-20,889.78

Finding the Fourth Proportional to 55,950.42, 83,925.93 and 20,889.78

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Solution

The fourth proportional to 55,950.42, 83,925.93 and 20,889.78 is: 31,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.42 : 83,925.93 = 20,889.78 : x
  2. Step 2: Convert to fraction form
    55,950.42/83,925.93 = 20,889.78/x
  3. Step 3: Cross multiply
    55,950.42x = 83,925.93 × 20,889.78
  4. Step 4: Simplify right side
    55,950.42x = 1,753,194,214.00
  5. Step 5: Solve for x
    x = 1,753,194,214.00/55,950.42
  6. Step 6: Final answer
    x = 31,334.78

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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.