Home / 55,079.05-76,008.82-31,205.67

Finding the Fourth Proportional to 55,079.05, 76,008.82 and 31,205.67

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Solution

The fourth proportional to 55,079.05, 76,008.82 and 31,205.67 is: 43,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.05 : 76,008.82 = 31,205.67 : x
  2. Step 2: Convert to fraction form
    55,079.05/76,008.82 = 31,205.67/x
  3. Step 3: Cross multiply
    55,079.05x = 76,008.82 × 31,205.67
  4. Step 4: Simplify right side
    55,079.05x = 2,371,906,154.01
  5. Step 5: Solve for x
    x = 2,371,906,154.01/55,079.05
  6. Step 6: Final answer
    x = 43,063.67

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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.