Home / 47,211.61-70,829.57-13,930.33

Finding the Fourth Proportional to 47,211.61, 70,829.57 and 13,930.33

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Solution

The fourth proportional to 47,211.61, 70,829.57 and 13,930.33 is: 20,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.61 : 70,829.57 = 13,930.33 : x
  2. Step 2: Convert to fraction form
    47,211.61/70,829.57 = 13,930.33/x
  3. Step 3: Cross multiply
    47,211.61x = 70,829.57 × 13,930.33
  4. Step 4: Simplify right side
    47,211.61x = 986,679,214.21
  5. Step 5: Solve for x
    x = 986,679,214.21/47,211.61
  6. Step 6: Final answer
    x = 20,899.08

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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.