Home / 30,150.83-45,499.86-29,145.86

Finding the Fourth Proportional to 30,150.83, 45,499.86 and 29,145.86

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Solution

The fourth proportional to 30,150.83, 45,499.86 and 29,145.86 is: 43,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.83 : 45,499.86 = 29,145.86 : x
  2. Step 2: Convert to fraction form
    30,150.83/45,499.86 = 29,145.86/x
  3. Step 3: Cross multiply
    30,150.83x = 45,499.86 × 29,145.86
  4. Step 4: Simplify right side
    30,150.83x = 1,326,132,492.70
  5. Step 5: Solve for x
    x = 1,326,132,492.70/30,150.83
  6. Step 6: Final answer
    x = 43,983.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.