Home / 42,142.66-63,244.02-19,960.94

Finding the Fourth Proportional to 42,142.66, 63,244.02 and 19,960.94

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Solution

The fourth proportional to 42,142.66, 63,244.02 and 19,960.94 is: 29,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,142.66 : 63,244.02 = 19,960.94 : x
  2. Step 2: Convert to fraction form
    42,142.66/63,244.02 = 19,960.94/x
  3. Step 3: Cross multiply
    42,142.66x = 63,244.02 × 19,960.94
  4. Step 4: Simplify right side
    42,142.66x = 1,262,410,088.58
  5. Step 5: Solve for x
    x = 1,262,410,088.58/42,142.66
  6. Step 6: Final answer
    x = 29,955.63

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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.