Home / 47,157.90-70,736.88-12,097.57

Finding the Fourth Proportional to 47,157.90, 70,736.88 and 12,097.57

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Solution

The fourth proportional to 47,157.90, 70,736.88 and 12,097.57 is: 18,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.90 : 70,736.88 = 12,097.57 : x
  2. Step 2: Convert to fraction form
    47,157.90/70,736.88 = 12,097.57/x
  3. Step 3: Cross multiply
    47,157.90x = 70,736.88 × 12,097.57
  4. Step 4: Simplify right side
    47,157.90x = 855,744,296.89
  5. Step 5: Solve for x
    x = 855,744,296.89/47,157.90
  6. Step 6: Final answer
    x = 18,146.36

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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.