Home / 42,433.93-63,553.95-20,262.84

Finding the Fourth Proportional to 42,433.93, 63,553.95 and 20,262.84

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Solution

The fourth proportional to 42,433.93, 63,553.95 and 20,262.84 is: 30,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,433.93 : 63,553.95 = 20,262.84 : x
  2. Step 2: Convert to fraction form
    42,433.93/63,553.95 = 20,262.84/x
  3. Step 3: Cross multiply
    42,433.93x = 63,553.95 × 20,262.84
  4. Step 4: Simplify right side
    42,433.93x = 1,287,783,520.22
  5. Step 5: Solve for x
    x = 1,287,783,520.22/42,433.93
  6. Step 6: Final answer
    x = 30,347.97

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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.