Home / 51,435.30-77,152.41-39,031.51

Finding the Fourth Proportional to 51,435.30, 77,152.41 and 39,031.51

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Solution

The fourth proportional to 51,435.30, 77,152.41 and 39,031.51 is: 58,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.30 : 77,152.41 = 39,031.51 : x
  2. Step 2: Convert to fraction form
    51,435.30/77,152.41 = 39,031.51/x
  3. Step 3: Cross multiply
    51,435.30x = 77,152.41 × 39,031.51
  4. Step 4: Simplify right side
    51,435.30x = 3,011,375,062.44
  5. Step 5: Solve for x
    x = 3,011,375,062.44/51,435.30
  6. Step 6: Final answer
    x = 58,546.86

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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.