Home / 55,892.07-77,131.53-30,398.67

Finding the Fourth Proportional to 55,892.07, 77,131.53 and 30,398.67

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Solution

The fourth proportional to 55,892.07, 77,131.53 and 30,398.67 is: 41,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,892.07 : 77,131.53 = 30,398.67 : x
  2. Step 2: Convert to fraction form
    55,892.07/77,131.53 = 30,398.67/x
  3. Step 3: Cross multiply
    55,892.07x = 77,131.53 × 30,398.67
  4. Step 4: Simplify right side
    55,892.07x = 2,344,695,927.07
  5. Step 5: Solve for x
    x = 2,344,695,927.07/55,892.07
  6. Step 6: Final answer
    x = 41,950.42

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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.