Home / 42,192.05-63,286.38-10,602.36

Finding the Fourth Proportional to 42,192.05, 63,286.38 and 10,602.36

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Solution

The fourth proportional to 42,192.05, 63,286.38 and 10,602.36 is: 15,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,192.05 : 63,286.38 = 10,602.36 : x
  2. Step 2: Convert to fraction form
    42,192.05/63,286.38 = 10,602.36/x
  3. Step 3: Cross multiply
    42,192.05x = 63,286.38 × 10,602.36
  4. Step 4: Simplify right side
    42,192.05x = 670,984,983.86
  5. Step 5: Solve for x
    x = 670,984,983.86/42,192.05
  6. Step 6: Final answer
    x = 15,903.12

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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.