Home / 47,585.63-71,381.79-19,122.60

Finding the Fourth Proportional to 47,585.63, 71,381.79 and 19,122.60

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Solution

The fourth proportional to 47,585.63, 71,381.79 and 19,122.60 is: 28,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.63 : 71,381.79 = 19,122.60 : x
  2. Step 2: Convert to fraction form
    47,585.63/71,381.79 = 19,122.60/x
  3. Step 3: Cross multiply
    47,585.63x = 71,381.79 × 19,122.60
  4. Step 4: Simplify right side
    47,585.63x = 1,365,005,417.45
  5. Step 5: Solve for x
    x = 1,365,005,417.45/47,585.63
  6. Step 6: Final answer
    x = 28,685.25

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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.