Home / 51,705.74-71,424.30-40,516.76

Finding the Fourth Proportional to 51,705.74, 71,424.30 and 40,516.76

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Solution

The fourth proportional to 51,705.74, 71,424.30 and 40,516.76 is: 55,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.74 : 71,424.30 = 40,516.76 : x
  2. Step 2: Convert to fraction form
    51,705.74/71,424.30 = 40,516.76/x
  3. Step 3: Cross multiply
    51,705.74x = 71,424.30 × 40,516.76
  4. Step 4: Simplify right side
    51,705.74x = 2,893,881,221.27
  5. Step 5: Solve for x
    x = 2,893,881,221.27/51,705.74
  6. Step 6: Final answer
    x = 55,968.28

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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.