Home / 51,345.72-70,861.86-31,197.96

Finding the Fourth Proportional to 51,345.72, 70,861.86 and 31,197.96

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Solution

The fourth proportional to 51,345.72, 70,861.86 and 31,197.96 is: 43,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.72 : 70,861.86 = 31,197.96 : x
  2. Step 2: Convert to fraction form
    51,345.72/70,861.86 = 31,197.96/x
  3. Step 3: Cross multiply
    51,345.72x = 70,861.86 × 31,197.96
  4. Step 4: Simplify right side
    51,345.72x = 2,210,745,473.81
  5. Step 5: Solve for x
    x = 2,210,745,473.81/51,345.72
  6. Step 6: Final answer
    x = 43,056.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.