Home / 52,261.80-72,121.76-28,388.67

Finding the Fourth Proportional to 52,261.80, 72,121.76 and 28,388.67

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Solution

The fourth proportional to 52,261.80, 72,121.76 and 28,388.67 is: 39,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.80 : 72,121.76 = 28,388.67 : x
  2. Step 2: Convert to fraction form
    52,261.80/72,121.76 = 28,388.67/x
  3. Step 3: Cross multiply
    52,261.80x = 72,121.76 × 28,388.67
  4. Step 4: Simplify right side
    52,261.80x = 2,047,440,844.46
  5. Step 5: Solve for x
    x = 2,047,440,844.46/52,261.80
  6. Step 6: Final answer
    x = 39,176.62

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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.