Home / 47,965.77-72,000.50-20,283.21

Finding the Fourth Proportional to 47,965.77, 72,000.50 and 20,283.21

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Solution

The fourth proportional to 47,965.77, 72,000.50 and 20,283.21 is: 30,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.77 : 72,000.50 = 20,283.21 : x
  2. Step 2: Convert to fraction form
    47,965.77/72,000.50 = 20,283.21/x
  3. Step 3: Cross multiply
    47,965.77x = 72,000.50 × 20,283.21
  4. Step 4: Simplify right side
    47,965.77x = 1,460,401,160.19
  5. Step 5: Solve for x
    x = 1,460,401,160.19/47,965.77
  6. Step 6: Final answer
    x = 30,446.74

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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.