Home / 30,066.79-45,137.04-28,877.56

Finding the Fourth Proportional to 30,066.79, 45,137.04 and 28,877.56

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Solution

The fourth proportional to 30,066.79, 45,137.04 and 28,877.56 is: 43,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.79 : 45,137.04 = 28,877.56 : x
  2. Step 2: Convert to fraction form
    30,066.79/45,137.04 = 28,877.56/x
  3. Step 3: Cross multiply
    30,066.79x = 45,137.04 × 28,877.56
  4. Step 4: Simplify right side
    30,066.79x = 1,303,447,580.82
  5. Step 5: Solve for x
    x = 1,303,447,580.82/30,066.79
  6. Step 6: Final answer
    x = 43,351.74

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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.