Home / 30,182.72-45,246.36-10,447.47

Finding the Fourth Proportional to 30,182.72, 45,246.36 and 10,447.47

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Solution

The fourth proportional to 30,182.72, 45,246.36 and 10,447.47 is: 15,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.72 : 45,246.36 = 10,447.47 : x
  2. Step 2: Convert to fraction form
    30,182.72/45,246.36 = 10,447.47/x
  3. Step 3: Cross multiply
    30,182.72x = 45,246.36 × 10,447.47
  4. Step 4: Simplify right side
    30,182.72x = 472,709,988.71
  5. Step 5: Solve for x
    x = 472,709,988.71/30,182.72
  6. Step 6: Final answer
    x = 15,661.61

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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.