Home / 31,384.21-47,077.93-8,010.85

Finding the Fourth Proportional to 31,384.21, 47,077.93 and 8,010.85

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Solution

The fourth proportional to 31,384.21, 47,077.93 and 8,010.85 is: 12,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.21 : 47,077.93 = 8,010.85 : x
  2. Step 2: Convert to fraction form
    31,384.21/47,077.93 = 8,010.85/x
  3. Step 3: Cross multiply
    31,384.21x = 47,077.93 × 8,010.85
  4. Step 4: Simplify right side
    31,384.21x = 377,133,980.12
  5. Step 5: Solve for x
    x = 377,133,980.12/31,384.21
  6. Step 6: Final answer
    x = 12,016.68

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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.