Home / 30,054.30-45,080.37-9,277.80

Finding the Fourth Proportional to 30,054.30, 45,080.37 and 9,277.80

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Solution

The fourth proportional to 30,054.30, 45,080.37 and 9,277.80 is: 13,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.30 : 45,080.37 = 9,277.80 : x
  2. Step 2: Convert to fraction form
    30,054.30/45,080.37 = 9,277.80/x
  3. Step 3: Cross multiply
    30,054.30x = 45,080.37 × 9,277.80
  4. Step 4: Simplify right side
    30,054.30x = 418,246,656.79
  5. Step 5: Solve for x
    x = 418,246,656.79/30,054.30
  6. Step 6: Final answer
    x = 13,916.37

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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.