Home / 31,418.98-47,090.14-14,756.77

Finding the Fourth Proportional to 31,418.98, 47,090.14 and 14,756.77

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Solution

The fourth proportional to 31,418.98, 47,090.14 and 14,756.77 is: 22,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.98 : 47,090.14 = 14,756.77 : x
  2. Step 2: Convert to fraction form
    31,418.98/47,090.14 = 14,756.77/x
  3. Step 3: Cross multiply
    31,418.98x = 47,090.14 × 14,756.77
  4. Step 4: Simplify right side
    31,418.98x = 694,898,365.25
  5. Step 5: Solve for x
    x = 694,898,365.25/31,418.98
  6. Step 6: Final answer
    x = 22,117.15

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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.