Home / 31,281.01-46,921.30-7,907.45

Finding the Fourth Proportional to 31,281.01, 46,921.30 and 7,907.45

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Solution

The fourth proportional to 31,281.01, 46,921.30 and 7,907.45 is: 11,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.01 : 46,921.30 = 7,907.45 : x
  2. Step 2: Convert to fraction form
    31,281.01/46,921.30 = 7,907.45/x
  3. Step 3: Cross multiply
    31,281.01x = 46,921.30 × 7,907.45
  4. Step 4: Simplify right side
    31,281.01x = 371,027,579.31
  5. Step 5: Solve for x
    x = 371,027,579.31/31,281.01
  6. Step 6: Final answer
    x = 11,861.11

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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.