Home / 31,830.98-47,701.19-23,445.05

Finding the Fourth Proportional to 31,830.98, 47,701.19 and 23,445.05

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Solution

The fourth proportional to 31,830.98, 47,701.19 and 23,445.05 is: 35,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830.98 : 47,701.19 = 23,445.05 : x
  2. Step 2: Convert to fraction form
    31,830.98/47,701.19 = 23,445.05/x
  3. Step 3: Cross multiply
    31,830.98x = 47,701.19 × 23,445.05
  4. Step 4: Simplify right side
    31,830.98x = 1,118,356,604.72
  5. Step 5: Solve for x
    x = 1,118,356,604.72/31,830.98
  6. Step 6: Final answer
    x = 35,134.22

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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.