Home / 30,627.66-45,953.91-20,761.32

Finding the Fourth Proportional to 30,627.66, 45,953.91 and 20,761.32

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Solution

The fourth proportional to 30,627.66, 45,953.91 and 20,761.32 is: 31,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.66 : 45,953.91 = 20,761.32 : x
  2. Step 2: Convert to fraction form
    30,627.66/45,953.91 = 20,761.32/x
  3. Step 3: Cross multiply
    30,627.66x = 45,953.91 × 20,761.32
  4. Step 4: Simplify right side
    30,627.66x = 954,063,830.76
  5. Step 5: Solve for x
    x = 954,063,830.76/30,627.66
  6. Step 6: Final answer
    x = 31,150.40

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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.