Home / 43,314.42-64,971.63-31,543.08

Finding the Fourth Proportional to 43,314.42, 64,971.63 and 31,543.08

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Solution

The fourth proportional to 43,314.42, 64,971.63 and 31,543.08 is: 47,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.42 : 64,971.63 = 31,543.08 : x
  2. Step 2: Convert to fraction form
    43,314.42/64,971.63 = 31,543.08/x
  3. Step 3: Cross multiply
    43,314.42x = 64,971.63 × 31,543.08
  4. Step 4: Simplify right side
    43,314.42x = 2,049,405,322.82
  5. Step 5: Solve for x
    x = 2,049,405,322.82/43,314.42
  6. Step 6: Final answer
    x = 47,314.62

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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.