Home / 42,599.04-63,927.72-20,427.72

Finding the Fourth Proportional to 42,599.04, 63,927.72 and 20,427.72

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Solution

The fourth proportional to 42,599.04, 63,927.72 and 20,427.72 is: 30,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,599.04 : 63,927.72 = 20,427.72 : x
  2. Step 2: Convert to fraction form
    42,599.04/63,927.72 = 20,427.72/x
  3. Step 3: Cross multiply
    42,599.04x = 63,927.72 × 20,427.72
  4. Step 4: Simplify right side
    42,599.04x = 1,305,897,564.40
  5. Step 5: Solve for x
    x = 1,305,897,564.40/42,599.04
  6. Step 6: Final answer
    x = 30,655.56

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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.