Home / 47,743.02-71,574.44-21,084.71

Finding the Fourth Proportional to 47,743.02, 71,574.44 and 21,084.71

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Solution

The fourth proportional to 47,743.02, 71,574.44 and 21,084.71 is: 31,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,743.02 : 71,574.44 = 21,084.71 : x
  2. Step 2: Convert to fraction form
    47,743.02/71,574.44 = 21,084.71/x
  3. Step 3: Cross multiply
    47,743.02x = 71,574.44 × 21,084.71
  4. Step 4: Simplify right side
    47,743.02x = 1,509,125,847.52
  5. Step 5: Solve for x
    x = 1,509,125,847.52/47,743.02
  6. Step 6: Final answer
    x = 31,609.35

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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.