Home / 30,277.25-45,417.44-9,215.63

Finding the Fourth Proportional to 30,277.25, 45,417.44 and 9,215.63

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Solution

The fourth proportional to 30,277.25, 45,417.44 and 9,215.63 is: 13,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.25 : 45,417.44 = 9,215.63 : x
  2. Step 2: Convert to fraction form
    30,277.25/45,417.44 = 9,215.63/x
  3. Step 3: Cross multiply
    30,277.25x = 45,417.44 × 9,215.63
  4. Step 4: Simplify right side
    30,277.25x = 418,550,049.42
  5. Step 5: Solve for x
    x = 418,550,049.42/30,277.25
  6. Step 6: Final answer
    x = 13,823.91

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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.