Home / 47,914.28-71,885.28-19,829.15

Finding the Fourth Proportional to 47,914.28, 71,885.28 and 19,829.15

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Solution

The fourth proportional to 47,914.28, 71,885.28 and 19,829.15 is: 29,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,914.28 : 71,885.28 = 19,829.15 : x
  2. Step 2: Convert to fraction form
    47,914.28/71,885.28 = 19,829.15/x
  3. Step 3: Cross multiply
    47,914.28x = 71,885.28 × 19,829.15
  4. Step 4: Simplify right side
    47,914.28x = 1,425,423,640.49
  5. Step 5: Solve for x
    x = 1,425,423,640.49/47,914.28
  6. Step 6: Final answer
    x = 29,749.46

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1.5x scale

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.