Home / 42,688.36-64,153.50-25,166.44

Finding the Fourth Proportional to 42,688.36, 64,153.50 and 25,166.44

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Solution

The fourth proportional to 42,688.36, 64,153.50 and 25,166.44 is: 37,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688.36 : 64,153.50 = 25,166.44 : x
  2. Step 2: Convert to fraction form
    42,688.36/64,153.50 = 25,166.44/x
  3. Step 3: Cross multiply
    42,688.36x = 64,153.50 × 25,166.44
  4. Step 4: Simplify right side
    42,688.36x = 1,614,515,208.54
  5. Step 5: Solve for x
    x = 1,614,515,208.54/42,688.36
  6. Step 6: Final answer
    x = 37,820.97

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1.5x scale

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.