Home / 42,287.74-63,431.76-14,206.99

Finding the Fourth Proportional to 42,287.74, 63,431.76 and 14,206.99

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Solution

The fourth proportional to 42,287.74, 63,431.76 and 14,206.99 is: 21,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,287.74 : 63,431.76 = 14,206.99 : x
  2. Step 2: Convert to fraction form
    42,287.74/63,431.76 = 14,206.99/x
  3. Step 3: Cross multiply
    42,287.74x = 63,431.76 × 14,206.99
  4. Step 4: Simplify right side
    42,287.74x = 901,174,380.00
  5. Step 5: Solve for x
    x = 901,174,380.00/42,287.74
  6. Step 6: Final answer
    x = 21,310.54

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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.