Home / 31,743.38-47,615.48-21,880.01

Finding the Fourth Proportional to 31,743.38, 47,615.48 and 21,880.01

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Solution

The fourth proportional to 31,743.38, 47,615.48 and 21,880.01 is: 32,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.38 : 47,615.48 = 21,880.01 : x
  2. Step 2: Convert to fraction form
    31,743.38/47,615.48 = 21,880.01/x
  3. Step 3: Cross multiply
    31,743.38x = 47,615.48 × 21,880.01
  4. Step 4: Simplify right side
    31,743.38x = 1,041,827,178.55
  5. Step 5: Solve for x
    x = 1,041,827,178.55/31,743.38
  6. Step 6: Final answer
    x = 32,820.30

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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.