Home / 42,010.03-63,025.67-12,427.75

Finding the Fourth Proportional to 42,010.03, 63,025.67 and 12,427.75

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Solution

The fourth proportional to 42,010.03, 63,025.67 and 12,427.75 is: 18,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,010.03 : 63,025.67 = 12,427.75 : x
  2. Step 2: Convert to fraction form
    42,010.03/63,025.67 = 12,427.75/x
  3. Step 3: Cross multiply
    42,010.03x = 63,025.67 × 12,427.75
  4. Step 4: Simplify right side
    42,010.03x = 783,267,270.34
  5. Step 5: Solve for x
    x = 783,267,270.34/42,010.03
  6. Step 6: Final answer
    x = 18,644.77

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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.