Home / 51,284.90-76,927.35-31,240.10

Finding the Fourth Proportional to 51,284.90, 76,927.35 and 31,240.10

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Solution

The fourth proportional to 51,284.90, 76,927.35 and 31,240.10 is: 46,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284.90 : 76,927.35 = 31,240.10 : x
  2. Step 2: Convert to fraction form
    51,284.90/76,927.35 = 31,240.10/x
  3. Step 3: Cross multiply
    51,284.90x = 76,927.35 × 31,240.10
  4. Step 4: Simplify right side
    51,284.90x = 2,403,218,106.74
  5. Step 5: Solve for x
    x = 2,403,218,106.74/51,284.90
  6. Step 6: Final answer
    x = 46,860.15

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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.