Home / 57,050.92-85,564.86-39,678.76

Finding the Fourth Proportional to 57,050.92, 85,564.86 and 39,678.76

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Solution

The fourth proportional to 57,050.92, 85,564.86 and 39,678.76 is: 59,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.92 : 85,564.86 = 39,678.76 : x
  2. Step 2: Convert to fraction form
    57,050.92/85,564.86 = 39,678.76/x
  3. Step 3: Cross multiply
    57,050.92x = 85,564.86 × 39,678.76
  4. Step 4: Simplify right side
    57,050.92x = 3,395,107,544.37
  5. Step 5: Solve for x
    x = 3,395,107,544.37/57,050.92
  6. Step 6: Final answer
    x = 59,510.13

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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.