Home / 55,825.13-77,038.77-30,331.61

Finding the Fourth Proportional to 55,825.13, 77,038.77 and 30,331.61

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Solution

The fourth proportional to 55,825.13, 77,038.77 and 30,331.61 is: 41,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.13 : 77,038.77 = 30,331.61 : x
  2. Step 2: Convert to fraction form
    55,825.13/77,038.77 = 30,331.61/x
  3. Step 3: Cross multiply
    55,825.13x = 77,038.77 × 30,331.61
  4. Step 4: Simplify right side
    55,825.13x = 2,336,709,926.52
  5. Step 5: Solve for x
    x = 2,336,709,926.52/55,825.13
  6. Step 6: Final answer
    x = 41,857.67

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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.