Home / 43,038.92-64,574.76-20,850.68

Finding the Fourth Proportional to 43,038.92, 64,574.76 and 20,850.68

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Solution

The fourth proportional to 43,038.92, 64,574.76 and 20,850.68 is: 31,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.92 : 64,574.76 = 20,850.68 : x
  2. Step 2: Convert to fraction form
    43,038.92/64,574.76 = 20,850.68/x
  3. Step 3: Cross multiply
    43,038.92x = 64,574.76 × 20,850.68
  4. Step 4: Simplify right side
    43,038.92x = 1,346,427,656.84
  5. Step 5: Solve for x
    x = 1,346,427,656.84/43,038.92
  6. Step 6: Final answer
    x = 31,283.96

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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.