Home / 42,435.20-63,673.44-17,133.68

Finding the Fourth Proportional to 42,435.20, 63,673.44 and 17,133.68

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Solution

The fourth proportional to 42,435.20, 63,673.44 and 17,133.68 is: 25,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,435.20 : 63,673.44 = 17,133.68 : x
  2. Step 2: Convert to fraction form
    42,435.20/63,673.44 = 17,133.68/x
  3. Step 3: Cross multiply
    42,435.20x = 63,673.44 × 17,133.68
  4. Step 4: Simplify right side
    42,435.20x = 1,090,960,345.46
  5. Step 5: Solve for x
    x = 1,090,960,345.46/42,435.20
  6. Step 6: Final answer
    x = 25,708.85

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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.