Home / 47,391.39-65,400.30-26,172.21

Finding the Fourth Proportional to 47,391.39, 65,400.30 and 26,172.21

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Solution

The fourth proportional to 47,391.39, 65,400.30 and 26,172.21 is: 36,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.39 : 65,400.30 = 26,172.21 : x
  2. Step 2: Convert to fraction form
    47,391.39/65,400.30 = 26,172.21/x
  3. Step 3: Cross multiply
    47,391.39x = 65,400.30 × 26,172.21
  4. Step 4: Simplify right side
    47,391.39x = 1,711,670,385.66
  5. Step 5: Solve for x
    x = 1,711,670,385.66/47,391.39
  6. Step 6: Final answer
    x = 36,117.75

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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.