Home / 31,720.28-47,579.88-9,533.84

Finding the Fourth Proportional to 31,720.28, 47,579.88 and 9,533.84

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Solution

The fourth proportional to 31,720.28, 47,579.88 and 9,533.84 is: 14,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.28 : 47,579.88 = 9,533.84 : x
  2. Step 2: Convert to fraction form
    31,720.28/47,579.88 = 9,533.84/x
  3. Step 3: Cross multiply
    31,720.28x = 47,579.88 × 9,533.84
  4. Step 4: Simplify right side
    31,720.28x = 453,618,963.14
  5. Step 5: Solve for x
    x = 453,618,963.14/31,720.28
  6. Step 6: Final answer
    x = 14,300.60

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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.