Home / 51,440.44-70,830-45,031.16

Finding the Fourth Proportional to 51,440.44, 70,830 and 45,031.16

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Solution

The fourth proportional to 51,440.44, 70,830 and 45,031.16 is: 62,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,440.44 : 70,830 = 45,031.16 : x
  2. Step 2: Convert to fraction form
    51,440.44/70,830 = 45,031.16/x
  3. Step 3: Cross multiply
    51,440.44x = 70,830 × 45,031.16
  4. Step 4: Simplify right side
    51,440.44x = 3,189,557,062.80
  5. Step 5: Solve for x
    x = 3,189,557,062.80/51,440.44
  6. Step 6: Final answer
    x = 62,004.86

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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.