Home / 31,964.31-47,946.43-9,777.67

Finding the Fourth Proportional to 31,964.31, 47,946.43 and 9,777.67

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Solution

The fourth proportional to 31,964.31, 47,946.43 and 9,777.67 is: 14,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.31 : 47,946.43 = 9,777.67 : x
  2. Step 2: Convert to fraction form
    31,964.31/47,946.43 = 9,777.67/x
  3. Step 3: Cross multiply
    31,964.31x = 47,946.43 × 9,777.67
  4. Step 4: Simplify right side
    31,964.31x = 468,804,370.22
  5. Step 5: Solve for x
    x = 468,804,370.22/31,964.31
  6. Step 6: Final answer
    x = 14,666.49

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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.