Home / 43,211.97-64,818.41-12,047.22

Finding the Fourth Proportional to 43,211.97, 64,818.41 and 12,047.22

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Solution

The fourth proportional to 43,211.97, 64,818.41 and 12,047.22 is: 18,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.97 : 64,818.41 = 12,047.22 : x
  2. Step 2: Convert to fraction form
    43,211.97/64,818.41 = 12,047.22/x
  3. Step 3: Cross multiply
    43,211.97x = 64,818.41 × 12,047.22
  4. Step 4: Simplify right side
    43,211.97x = 780,881,645.32
  5. Step 5: Solve for x
    x = 780,881,645.32/43,211.97
  6. Step 6: Final answer
    x = 18,070.96

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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.