Home / 30,345.71-45,516.74-11,366.60

Finding the Fourth Proportional to 30,345.71, 45,516.74 and 11,366.60

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Solution

The fourth proportional to 30,345.71, 45,516.74 and 11,366.60 is: 17,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.71 : 45,516.74 = 11,366.60 : x
  2. Step 2: Convert to fraction form
    30,345.71/45,516.74 = 11,366.60/x
  3. Step 3: Cross multiply
    30,345.71x = 45,516.74 × 11,366.60
  4. Step 4: Simplify right side
    30,345.71x = 517,370,292.47
  5. Step 5: Solve for x
    x = 517,370,292.47/30,345.71
  6. Step 6: Final answer
    x = 17,049.21

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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.