Home / 42,366.70-63,508.74-20,174.12

Finding the Fourth Proportional to 42,366.70, 63,508.74 and 20,174.12

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Solution

The fourth proportional to 42,366.70, 63,508.74 and 20,174.12 is: 30,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.70 : 63,508.74 = 20,174.12 : x
  2. Step 2: Convert to fraction form
    42,366.70/63,508.74 = 20,174.12/x
  3. Step 3: Cross multiply
    42,366.70x = 63,508.74 × 20,174.12
  4. Step 4: Simplify right side
    42,366.70x = 1,281,232,941.81
  5. Step 5: Solve for x
    x = 1,281,232,941.81/42,366.70
  6. Step 6: Final answer
    x = 30,241.51

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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.