Home / 42,364.96-63,588.75-20,193.64

Finding the Fourth Proportional to 42,364.96, 63,588.75 and 20,193.64

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Solution

The fourth proportional to 42,364.96, 63,588.75 and 20,193.64 is: 30,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,364.96 : 63,588.75 = 20,193.64 : x
  2. Step 2: Convert to fraction form
    42,364.96/63,588.75 = 20,193.64/x
  3. Step 3: Cross multiply
    42,364.96x = 63,588.75 × 20,193.64
  4. Step 4: Simplify right side
    42,364.96x = 1,284,088,325.55
  5. Step 5: Solve for x
    x = 1,284,088,325.55/42,364.96
  6. Step 6: Final answer
    x = 30,310.15

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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.