Home / 51,606.30-77,409.45-31,907.10

Finding the Fourth Proportional to 51,606.30, 77,409.45 and 31,907.10

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Solution

The fourth proportional to 51,606.30, 77,409.45 and 31,907.10 is: 47,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.30 : 77,409.45 = 31,907.10 : x
  2. Step 2: Convert to fraction form
    51,606.30/77,409.45 = 31,907.10/x
  3. Step 3: Cross multiply
    51,606.30x = 77,409.45 × 31,907.10
  4. Step 4: Simplify right side
    51,606.30x = 2,469,911,062.10
  5. Step 5: Solve for x
    x = 2,469,911,062.10/51,606.30
  6. Step 6: Final answer
    x = 47,860.65

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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.