Home / 47,137.08-65,042.88-29,225.58

Finding the Fourth Proportional to 47,137.08, 65,042.88 and 29,225.58

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Solution

The fourth proportional to 47,137.08, 65,042.88 and 29,225.58 is: 40,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.08 : 65,042.88 = 29,225.58 : x
  2. Step 2: Convert to fraction form
    47,137.08/65,042.88 = 29,225.58/x
  3. Step 3: Cross multiply
    47,137.08x = 65,042.88 × 29,225.58
  4. Step 4: Simplify right side
    47,137.08x = 1,900,915,892.87
  5. Step 5: Solve for x
    x = 1,900,915,892.87/47,137.08
  6. Step 6: Final answer
    x = 40,327.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.