Home / 45,014.09-62,066.75-30,682.40

Finding the Fourth Proportional to 45,014.09, 62,066.75 and 30,682.40

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Solution

The fourth proportional to 45,014.09, 62,066.75 and 30,682.40 is: 42,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.09 : 62,066.75 = 30,682.40 : x
  2. Step 2: Convert to fraction form
    45,014.09/62,066.75 = 30,682.40/x
  3. Step 3: Cross multiply
    45,014.09x = 62,066.75 × 30,682.40
  4. Step 4: Simplify right side
    45,014.09x = 1,904,356,773.49
  5. Step 5: Solve for x
    x = 1,904,356,773.49/45,014.09
  6. Step 6: Final answer
    x = 42,305.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.