Home / 47,390.45-65,398.88-26,169.72

Finding the Fourth Proportional to 47,390.45, 65,398.88 and 26,169.72

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Solution

The fourth proportional to 47,390.45, 65,398.88 and 26,169.72 is: 36,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.45 : 65,398.88 = 26,169.72 : x
  2. Step 2: Convert to fraction form
    47,390.45/65,398.88 = 26,169.72/x
  3. Step 3: Cross multiply
    47,390.45x = 65,398.88 × 26,169.72
  4. Step 4: Simplify right side
    47,390.45x = 1,711,470,050.89
  5. Step 5: Solve for x
    x = 1,711,470,050.89/47,390.45
  6. Step 6: Final answer
    x = 36,114.24

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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.