Home / 42,014.39-63,030.94-18,325.78

Finding the Fourth Proportional to 42,014.39, 63,030.94 and 18,325.78

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Solution

The fourth proportional to 42,014.39, 63,030.94 and 18,325.78 is: 27,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.39 : 63,030.94 = 18,325.78 : x
  2. Step 2: Convert to fraction form
    42,014.39/63,030.94 = 18,325.78/x
  3. Step 3: Cross multiply
    42,014.39x = 63,030.94 × 18,325.78
  4. Step 4: Simplify right side
    42,014.39x = 1,155,090,936.24
  5. Step 5: Solve for x
    x = 1,155,090,936.24/42,014.39
  6. Step 6: Final answer
    x = 27,492.75

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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.