Home / 30,263.05-41,752.24-18,946.68

Finding the Fourth Proportional to 30,263.05, 41,752.24 and 18,946.68

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Solution

The fourth proportional to 30,263.05, 41,752.24 and 18,946.68 is: 26,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.05 : 41,752.24 = 18,946.68 : x
  2. Step 2: Convert to fraction form
    30,263.05/41,752.24 = 18,946.68/x
  3. Step 3: Cross multiply
    30,263.05x = 41,752.24 × 18,946.68
  4. Step 4: Simplify right side
    30,263.05x = 791,066,330.56
  5. Step 5: Solve for x
    x = 791,066,330.56/30,263.05
  6. Step 6: Final answer
    x = 26,139.68

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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.