Home / 42,003.03-63,004.55-14,301.03

Finding the Fourth Proportional to 42,003.03, 63,004.55 and 14,301.03

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Solution

The fourth proportional to 42,003.03, 63,004.55 and 14,301.03 is: 21,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.03 : 63,004.55 = 14,301.03 : x
  2. Step 2: Convert to fraction form
    42,003.03/63,004.55 = 14,301.03/x
  3. Step 3: Cross multiply
    42,003.03x = 63,004.55 × 14,301.03
  4. Step 4: Simplify right side
    42,003.03x = 901,029,959.69
  5. Step 5: Solve for x
    x = 901,029,959.69/42,003.03
  6. Step 6: Final answer
    x = 21,451.55

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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.