Home / 55,877.29-77,110.25-30,383.67

Finding the Fourth Proportional to 55,877.29, 77,110.25 and 30,383.67

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Solution

The fourth proportional to 55,877.29, 77,110.25 and 30,383.67 is: 41,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.29 : 77,110.25 = 30,383.67 : x
  2. Step 2: Convert to fraction form
    55,877.29/77,110.25 = 30,383.67/x
  3. Step 3: Cross multiply
    55,877.29x = 77,110.25 × 30,383.67
  4. Step 4: Simplify right side
    55,877.29x = 2,342,892,389.62
  5. Step 5: Solve for x
    x = 2,342,892,389.62/55,877.29
  6. Step 6: Final answer
    x = 41,929.24

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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.