Home / 40,077.32-55,307.07-22,172.67

Finding the Fourth Proportional to 40,077.32, 55,307.07 and 22,172.67

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Solution

The fourth proportional to 40,077.32, 55,307.07 and 22,172.67 is: 30,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077.32 : 55,307.07 = 22,172.67 : x
  2. Step 2: Convert to fraction form
    40,077.32/55,307.07 = 22,172.67/x
  3. Step 3: Cross multiply
    40,077.32x = 55,307.07 × 22,172.67
  4. Step 4: Simplify right side
    40,077.32x = 1,226,305,411.78
  5. Step 5: Solve for x
    x = 1,226,305,411.78/40,077.32
  6. Step 6: Final answer
    x = 30,598.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.