Home / 31,621.52-47,435.52-14,089.88

Finding the Fourth Proportional to 31,621.52, 47,435.52 and 14,089.88

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Solution

The fourth proportional to 31,621.52, 47,435.52 and 14,089.88 is: 21,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.52 : 47,435.52 = 14,089.88 : x
  2. Step 2: Convert to fraction form
    31,621.52/47,435.52 = 14,089.88/x
  3. Step 3: Cross multiply
    31,621.52x = 47,435.52 × 14,089.88
  4. Step 4: Simplify right side
    31,621.52x = 668,360,784.54
  5. Step 5: Solve for x
    x = 668,360,784.54/31,621.52
  6. Step 6: Final answer
    x = 21,136.26

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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.