Home / 31,113.70-46,602.48-30,428.86

Finding the Fourth Proportional to 31,113.70, 46,602.48 and 30,428.86

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Solution

The fourth proportional to 31,113.70, 46,602.48 and 30,428.86 is: 45,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.70 : 46,602.48 = 30,428.86 : x
  2. Step 2: Convert to fraction form
    31,113.70/46,602.48 = 30,428.86/x
  3. Step 3: Cross multiply
    31,113.70x = 46,602.48 × 30,428.86
  4. Step 4: Simplify right side
    31,113.70x = 1,418,060,339.57
  5. Step 5: Solve for x
    x = 1,418,060,339.57/31,113.70
  6. Step 6: Final answer
    x = 45,576.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.