Home / 47,358.76-71,041.64-13,623.42

Finding the Fourth Proportional to 47,358.76, 71,041.64 and 13,623.42

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Solution

The fourth proportional to 47,358.76, 71,041.64 and 13,623.42 is: 20,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,358.76 : 71,041.64 = 13,623.42 : x
  2. Step 2: Convert to fraction form
    47,358.76/71,041.64 = 13,623.42/x
  3. Step 3: Cross multiply
    47,358.76x = 71,041.64 × 13,623.42
  4. Step 4: Simplify right side
    47,358.76x = 967,830,099.21
  5. Step 5: Solve for x
    x = 967,830,099.21/47,358.76
  6. Step 6: Final answer
    x = 20,436.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.