Home / 31,160.98-46,739.90-11,437.98

Finding the Fourth Proportional to 31,160.98, 46,739.90 and 11,437.98

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Solution

The fourth proportional to 31,160.98, 46,739.90 and 11,437.98 is: 17,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.98 : 46,739.90 = 11,437.98 : x
  2. Step 2: Convert to fraction form
    31,160.98/46,739.90 = 11,437.98/x
  3. Step 3: Cross multiply
    31,160.98x = 46,739.90 × 11,437.98
  4. Step 4: Simplify right side
    31,160.98x = 534,610,041.40
  5. Step 5: Solve for x
    x = 534,610,041.40/31,160.98
  6. Step 6: Final answer
    x = 17,156.39

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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.