Home / 47,460.20-71,190.30-12,403.40

Finding the Fourth Proportional to 47,460.20, 71,190.30 and 12,403.40

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Solution

The fourth proportional to 47,460.20, 71,190.30 and 12,403.40 is: 18,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,460.20 : 71,190.30 = 12,403.40 : x
  2. Step 2: Convert to fraction form
    47,460.20/71,190.30 = 12,403.40/x
  3. Step 3: Cross multiply
    47,460.20x = 71,190.30 × 12,403.40
  4. Step 4: Simplify right side
    47,460.20x = 883,001,767.02
  5. Step 5: Solve for x
    x = 883,001,767.02/47,460.20
  6. Step 6: Final answer
    x = 18,605.10

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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.