Home / 30,500.97-45,637.28-28,899.04

Finding the Fourth Proportional to 30,500.97, 45,637.28 and 28,899.04

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Solution

The fourth proportional to 30,500.97, 45,637.28 and 28,899.04 is: 43,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.97 : 45,637.28 = 28,899.04 : x
  2. Step 2: Convert to fraction form
    30,500.97/45,637.28 = 28,899.04/x
  3. Step 3: Cross multiply
    30,500.97x = 45,637.28 × 28,899.04
  4. Step 4: Simplify right side
    30,500.97x = 1,318,873,580.21
  5. Step 5: Solve for x
    x = 1,318,873,580.21/30,500.97
  6. Step 6: Final answer
    x = 43,240.38

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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.