Home / 47,676.95-71,518.84-12,616.19

Finding the Fourth Proportional to 47,676.95, 71,518.84 and 12,616.19

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Solution

The fourth proportional to 47,676.95, 71,518.84 and 12,616.19 is: 18,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.95 : 71,518.84 = 12,616.19 : x
  2. Step 2: Convert to fraction form
    47,676.95/71,518.84 = 12,616.19/x
  3. Step 3: Cross multiply
    47,676.95x = 71,518.84 × 12,616.19
  4. Step 4: Simplify right side
    47,676.95x = 902,295,274.02
  5. Step 5: Solve for x
    x = 902,295,274.02/47,676.95
  6. Step 6: Final answer
    x = 18,925.19

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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.