Home / 30,265.29-45,405.22-9,488.79

Finding the Fourth Proportional to 30,265.29, 45,405.22 and 9,488.79

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Solution

The fourth proportional to 30,265.29, 45,405.22 and 9,488.79 is: 14,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.29 : 45,405.22 = 9,488.79 : x
  2. Step 2: Convert to fraction form
    30,265.29/45,405.22 = 9,488.79/x
  3. Step 3: Cross multiply
    30,265.29x = 45,405.22 × 9,488.79
  4. Step 4: Simplify right side
    30,265.29x = 430,840,597.48
  5. Step 5: Solve for x
    x = 430,840,597.48/30,265.29
  6. Step 6: Final answer
    x = 14,235.47

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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.