Home / 55,494.28-76,582.36-30,343.76

Finding the Fourth Proportional to 55,494.28, 76,582.36 and 30,343.76

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Solution

The fourth proportional to 55,494.28, 76,582.36 and 30,343.76 is: 41,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,494.28 : 76,582.36 = 30,343.76 : x
  2. Step 2: Convert to fraction form
    55,494.28/76,582.36 = 30,343.76/x
  3. Step 3: Cross multiply
    55,494.28x = 76,582.36 × 30,343.76
  4. Step 4: Simplify right side
    55,494.28x = 2,323,796,752.07
  5. Step 5: Solve for x
    x = 2,323,796,752.07/55,494.28
  6. Step 6: Final answer
    x = 41,874.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.