Home / 42,309.04-63,418.90-14,202.44

Finding the Fourth Proportional to 42,309.04, 63,418.90 and 14,202.44

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Solution

The fourth proportional to 42,309.04, 63,418.90 and 14,202.44 is: 21,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.04 : 63,418.90 = 14,202.44 : x
  2. Step 2: Convert to fraction form
    42,309.04/63,418.90 = 14,202.44/x
  3. Step 3: Cross multiply
    42,309.04x = 63,418.90 × 14,202.44
  4. Step 4: Simplify right side
    42,309.04x = 900,703,122.12
  5. Step 5: Solve for x
    x = 900,703,122.12/42,309.04
  6. Step 6: Final answer
    x = 21,288.67

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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.