Home / 31,385.98-47,055.21-15,597.46

Finding the Fourth Proportional to 31,385.98, 47,055.21 and 15,597.46

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Solution

The fourth proportional to 31,385.98, 47,055.21 and 15,597.46 is: 23,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.98 : 47,055.21 = 15,597.46 : x
  2. Step 2: Convert to fraction form
    31,385.98/47,055.21 = 15,597.46/x
  3. Step 3: Cross multiply
    31,385.98x = 47,055.21 × 15,597.46
  4. Step 4: Simplify right side
    31,385.98x = 733,941,755.77
  5. Step 5: Solve for x
    x = 733,941,755.77/31,385.98
  6. Step 6: Final answer
    x = 23,384.38

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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.