Home / 42,455.30-63,682.95-36,623.30

Finding the Fourth Proportional to 42,455.30, 63,682.95 and 36,623.30

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Solution

The fourth proportional to 42,455.30, 63,682.95 and 36,623.30 is: 54,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.30 : 63,682.95 = 36,623.30 : x
  2. Step 2: Convert to fraction form
    42,455.30/63,682.95 = 36,623.30/x
  3. Step 3: Cross multiply
    42,455.30x = 63,682.95 × 36,623.30
  4. Step 4: Simplify right side
    42,455.30x = 2,332,279,782.74
  5. Step 5: Solve for x
    x = 2,332,279,782.74/42,455.30
  6. Step 6: Final answer
    x = 54,934.95

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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.