Home / 30,495.82-45,785.71-15,513.08

Finding the Fourth Proportional to 30,495.82, 45,785.71 and 15,513.08

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Solution

The fourth proportional to 30,495.82, 45,785.71 and 15,513.08 is: 23,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.82 : 45,785.71 = 15,513.08 : x
  2. Step 2: Convert to fraction form
    30,495.82/45,785.71 = 15,513.08/x
  3. Step 3: Cross multiply
    30,495.82x = 45,785.71 × 15,513.08
  4. Step 4: Simplify right side
    30,495.82x = 710,277,382.09
  5. Step 5: Solve for x
    x = 710,277,382.09/30,495.82
  6. Step 6: Final answer
    x = 23,290.98

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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.