Home / 31,564.04-47,278.20-14,899.16

Finding the Fourth Proportional to 31,564.04, 47,278.20 and 14,899.16

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Solution

The fourth proportional to 31,564.04, 47,278.20 and 14,899.16 is: 22,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.04 : 47,278.20 = 14,899.16 : x
  2. Step 2: Convert to fraction form
    31,564.04/47,278.20 = 14,899.16/x
  3. Step 3: Cross multiply
    31,564.04x = 47,278.20 × 14,899.16
  4. Step 4: Simplify right side
    31,564.04x = 704,405,466.31
  5. Step 5: Solve for x
    x = 704,405,466.31/31,564.04
  6. Step 6: Final answer
    x = 22,316.71

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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.