Home / 47,112.80-70,671.89-13,376.18

Finding the Fourth Proportional to 47,112.80, 70,671.89 and 13,376.18

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Solution

The fourth proportional to 47,112.80, 70,671.89 and 13,376.18 is: 20,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.80 : 70,671.89 = 13,376.18 : x
  2. Step 2: Convert to fraction form
    47,112.80/70,671.89 = 13,376.18/x
  3. Step 3: Cross multiply
    47,112.80x = 70,671.89 × 13,376.18
  4. Step 4: Simplify right side
    47,112.80x = 945,319,658.93
  5. Step 5: Solve for x
    x = 945,319,658.93/47,112.80
  6. Step 6: Final answer
    x = 20,065.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.