Home / 42,356.75-63,503.49-25,485.80

Finding the Fourth Proportional to 42,356.75, 63,503.49 and 25,485.80

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Solution

The fourth proportional to 42,356.75, 63,503.49 and 25,485.80 is: 38,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.75 : 63,503.49 = 25,485.80 : x
  2. Step 2: Convert to fraction form
    42,356.75/63,503.49 = 25,485.80/x
  3. Step 3: Cross multiply
    42,356.75x = 63,503.49 × 25,485.80
  4. Step 4: Simplify right side
    42,356.75x = 1,618,436,927.92
  5. Step 5: Solve for x
    x = 1,618,436,927.92/42,356.75
  6. Step 6: Final answer
    x = 38,209.66

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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.