Home / 30,115.92-45,042.60-17,606.28

Finding the Fourth Proportional to 30,115.92, 45,042.60 and 17,606.28

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Solution

The fourth proportional to 30,115.92, 45,042.60 and 17,606.28 is: 26,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.92 : 45,042.60 = 17,606.28 : x
  2. Step 2: Convert to fraction form
    30,115.92/45,042.60 = 17,606.28/x
  3. Step 3: Cross multiply
    30,115.92x = 45,042.60 × 17,606.28
  4. Step 4: Simplify right side
    30,115.92x = 793,032,627.53
  5. Step 5: Solve for x
    x = 793,032,627.53/30,115.92
  6. Step 6: Final answer
    x = 26,332.67

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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.