Home / 43,213.50-64,746.54-30,671.46

Finding the Fourth Proportional to 43,213.50, 64,746.54 and 30,671.46

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Solution

The fourth proportional to 43,213.50, 64,746.54 and 30,671.46 is: 45,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.50 : 64,746.54 = 30,671.46 : x
  2. Step 2: Convert to fraction form
    43,213.50/64,746.54 = 30,671.46/x
  3. Step 3: Cross multiply
    43,213.50x = 64,746.54 × 30,671.46
  4. Step 4: Simplify right side
    43,213.50x = 1,985,870,911.75
  5. Step 5: Solve for x
    x = 1,985,870,911.75/43,213.50
  6. Step 6: Final answer
    x = 45,954.87

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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.