Home / 42,708.52-64,201.09-39,626.90

Finding the Fourth Proportional to 42,708.52, 64,201.09 and 39,626.90

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Solution

The fourth proportional to 42,708.52, 64,201.09 and 39,626.90 is: 59,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.52 : 64,201.09 = 39,626.90 : x
  2. Step 2: Convert to fraction form
    42,708.52/64,201.09 = 39,626.90/x
  3. Step 3: Cross multiply
    42,708.52x = 64,201.09 × 39,626.90
  4. Step 4: Simplify right side
    42,708.52x = 2,544,090,461.19
  5. Step 5: Solve for x
    x = 2,544,090,461.19/42,708.52
  6. Step 6: Final answer
    x = 59,568.68

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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.