Home / 55,618.11-76,752.36-30,123.99

Finding the Fourth Proportional to 55,618.11, 76,752.36 and 30,123.99

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Solution

The fourth proportional to 55,618.11, 76,752.36 and 30,123.99 is: 41,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.11 : 76,752.36 = 30,123.99 : x
  2. Step 2: Convert to fraction form
    55,618.11/76,752.36 = 30,123.99/x
  3. Step 3: Cross multiply
    55,618.11x = 76,752.36 × 30,123.99
  4. Step 4: Simplify right side
    55,618.11x = 2,312,087,325.12
  5. Step 5: Solve for x
    x = 2,312,087,325.12/55,618.11
  6. Step 6: Final answer
    x = 41,570.76

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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.