Home / 51,930.34-71,663.76-28,056.94

Finding the Fourth Proportional to 51,930.34, 71,663.76 and 28,056.94

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Solution

The fourth proportional to 51,930.34, 71,663.76 and 28,056.94 is: 38,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.34 : 71,663.76 = 28,056.94 : x
  2. Step 2: Convert to fraction form
    51,930.34/71,663.76 = 28,056.94/x
  3. Step 3: Cross multiply
    51,930.34x = 71,663.76 × 28,056.94
  4. Step 4: Simplify right side
    51,930.34x = 2,010,665,814.49
  5. Step 5: Solve for x
    x = 2,010,665,814.49/51,930.34
  6. Step 6: Final answer
    x = 38,718.52

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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.