Home / 42,616.34-63,936.32-18,602.70

Finding the Fourth Proportional to 42,616.34, 63,936.32 and 18,602.70

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Solution

The fourth proportional to 42,616.34, 63,936.32 and 18,602.70 is: 27,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.34 : 63,936.32 = 18,602.70 : x
  2. Step 2: Convert to fraction form
    42,616.34/63,936.32 = 18,602.70/x
  3. Step 3: Cross multiply
    42,616.34x = 63,936.32 × 18,602.70
  4. Step 4: Simplify right side
    42,616.34x = 1,189,388,087.05
  5. Step 5: Solve for x
    x = 1,189,388,087.05/42,616.34
  6. Step 6: Final answer
    x = 27,909.21

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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.