Home / 42,089.40-63,221.58-33,385.14

Finding the Fourth Proportional to 42,089.40, 63,221.58 and 33,385.14

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Solution

The fourth proportional to 42,089.40, 63,221.58 and 33,385.14 is: 50,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089.40 : 63,221.58 = 33,385.14 : x
  2. Step 2: Convert to fraction form
    42,089.40/63,221.58 = 33,385.14/x
  3. Step 3: Cross multiply
    42,089.40x = 63,221.58 × 33,385.14
  4. Step 4: Simplify right side
    42,089.40x = 2,110,661,299.32
  5. Step 5: Solve for x
    x = 2,110,661,299.32/42,089.40
  6. Step 6: Final answer
    x = 50,147.10

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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.