Home / 51,543.27-71,129.93-30,045.76

Finding the Fourth Proportional to 51,543.27, 71,129.93 and 30,045.76

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Solution

The fourth proportional to 51,543.27, 71,129.93 and 30,045.76 is: 41,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.27 : 71,129.93 = 30,045.76 : x
  2. Step 2: Convert to fraction form
    51,543.27/71,129.93 = 30,045.76/x
  3. Step 3: Cross multiply
    51,543.27x = 71,129.93 × 30,045.76
  4. Step 4: Simplify right side
    51,543.27x = 2,137,152,477.54
  5. Step 5: Solve for x
    x = 2,137,152,477.54/51,543.27
  6. Step 6: Final answer
    x = 41,463.27

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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.