Home / 47,957.88-66,190.52-30,068.40

Finding the Fourth Proportional to 47,957.88, 66,190.52 and 30,068.40

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Solution

The fourth proportional to 47,957.88, 66,190.52 and 30,068.40 is: 41,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,957.88 : 66,190.52 = 30,068.40 : x
  2. Step 2: Convert to fraction form
    47,957.88/66,190.52 = 30,068.40/x
  3. Step 3: Cross multiply
    47,957.88x = 66,190.52 × 30,068.40
  4. Step 4: Simplify right side
    47,957.88x = 1,990,243,031.57
  5. Step 5: Solve for x
    x = 1,990,243,031.57/47,957.88
  6. Step 6: Final answer
    x = 41,499.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.