Home / 47,407.60-65,421.84-26,187.04

Finding the Fourth Proportional to 47,407.60, 65,421.84 and 26,187.04

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Solution

The fourth proportional to 47,407.60, 65,421.84 and 26,187.04 is: 36,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,407.60 : 65,421.84 = 26,187.04 : x
  2. Step 2: Convert to fraction form
    47,407.60/65,421.84 = 26,187.04/x
  3. Step 3: Cross multiply
    47,407.60x = 65,421.84 × 26,187.04
  4. Step 4: Simplify right side
    47,407.60x = 1,713,204,340.95
  5. Step 5: Solve for x
    x = 1,713,204,340.95/47,407.60
  6. Step 6: Final answer
    x = 36,137.76

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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.