Home / 40,153.74-55,409.82-22,247.67

Finding the Fourth Proportional to 40,153.74, 55,409.82 and 22,247.67

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Solution

The fourth proportional to 40,153.74, 55,409.82 and 22,247.67 is: 30,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.74 : 55,409.82 = 22,247.67 : x
  2. Step 2: Convert to fraction form
    40,153.74/55,409.82 = 22,247.67/x
  3. Step 3: Cross multiply
    40,153.74x = 55,409.82 × 22,247.67
  4. Step 4: Simplify right side
    40,153.74x = 1,232,739,390.12
  5. Step 5: Solve for x
    x = 1,232,739,390.12/40,153.74
  6. Step 6: Final answer
    x = 30,700.49

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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.