Home / 42,214.68-63,340.38-20,043.72

Finding the Fourth Proportional to 42,214.68, 63,340.38 and 20,043.72

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Solution

The fourth proportional to 42,214.68, 63,340.38 and 20,043.72 is: 30,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214.68 : 63,340.38 = 20,043.72 : x
  2. Step 2: Convert to fraction form
    42,214.68/63,340.38 = 20,043.72/x
  3. Step 3: Cross multiply
    42,214.68x = 63,340.38 × 20,043.72
  4. Step 4: Simplify right side
    42,214.68x = 1,269,576,841.41
  5. Step 5: Solve for x
    x = 1,269,576,841.41/42,214.68
  6. Step 6: Final answer
    x = 30,074.30

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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.