Home / 42,039.20-63,066.30-13,954.07

Finding the Fourth Proportional to 42,039.20, 63,066.30 and 13,954.07

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Solution

The fourth proportional to 42,039.20, 63,066.30 and 13,954.07 is: 20,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.20 : 63,066.30 = 13,954.07 : x
  2. Step 2: Convert to fraction form
    42,039.20/63,066.30 = 13,954.07/x
  3. Step 3: Cross multiply
    42,039.20x = 63,066.30 × 13,954.07
  4. Step 4: Simplify right side
    42,039.20x = 880,031,670.18
  5. Step 5: Solve for x
    x = 880,031,670.18/42,039.20
  6. Step 6: Final answer
    x = 20,933.60

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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.