Home / 47,645.12-65,689.84-34,049.40

Finding the Fourth Proportional to 47,645.12, 65,689.84 and 34,049.40

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Solution

The fourth proportional to 47,645.12, 65,689.84 and 34,049.40 is: 46,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645.12 : 65,689.84 = 34,049.40 : x
  2. Step 2: Convert to fraction form
    47,645.12/65,689.84 = 34,049.40/x
  3. Step 3: Cross multiply
    47,645.12x = 65,689.84 × 34,049.40
  4. Step 4: Simplify right side
    47,645.12x = 2,236,699,638.10
  5. Step 5: Solve for x
    x = 2,236,699,638.10/47,645.12
  6. Step 6: Final answer
    x = 46,944.99

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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.