Home / 55,806.76-83,678.64-18,356.72

Finding the Fourth Proportional to 55,806.76, 83,678.64 and 18,356.72

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Solution

The fourth proportional to 55,806.76, 83,678.64 and 18,356.72 is: 27,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.76 : 83,678.64 = 18,356.72 : x
  2. Step 2: Convert to fraction form
    55,806.76/83,678.64 = 18,356.72/x
  3. Step 3: Cross multiply
    55,806.76x = 83,678.64 × 18,356.72
  4. Step 4: Simplify right side
    55,806.76x = 1,536,065,364.46
  5. Step 5: Solve for x
    x = 1,536,065,364.46/55,806.76
  6. Step 6: Final answer
    x = 27,524.72

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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.