Home / 45,434.34-62,705.61-28,715.94

Finding the Fourth Proportional to 45,434.34, 62,705.61 and 28,715.94

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Solution

The fourth proportional to 45,434.34, 62,705.61 and 28,715.94 is: 39,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.34 : 62,705.61 = 28,715.94 : x
  2. Step 2: Convert to fraction form
    45,434.34/62,705.61 = 28,715.94/x
  3. Step 3: Cross multiply
    45,434.34x = 62,705.61 × 28,715.94
  4. Step 4: Simplify right side
    45,434.34x = 1,800,650,534.42
  5. Step 5: Solve for x
    x = 1,800,650,534.42/45,434.34
  6. Step 6: Final answer
    x = 39,631.93

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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.