Home / 45,338.64-62,626.80-31,166.88

Finding the Fourth Proportional to 45,338.64, 62,626.80 and 31,166.88

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Solution

The fourth proportional to 45,338.64, 62,626.80 and 31,166.88 is: 43,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.64 : 62,626.80 = 31,166.88 : x
  2. Step 2: Convert to fraction form
    45,338.64/62,626.80 = 31,166.88/x
  3. Step 3: Cross multiply
    45,338.64x = 62,626.80 × 31,166.88
  4. Step 4: Simplify right side
    45,338.64x = 1,951,881,960.38
  5. Step 5: Solve for x
    x = 1,951,881,960.38/45,338.64
  6. Step 6: Final answer
    x = 43,051.18

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1.5x scale

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.