Home / 31,495.80-47,254.92-15,699.36

Finding the Fourth Proportional to 31,495.80, 47,254.92 and 15,699.36

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Solution

The fourth proportional to 31,495.80, 47,254.92 and 15,699.36 is: 23,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.80 : 47,254.92 = 15,699.36 : x
  2. Step 2: Convert to fraction form
    31,495.80/47,254.92 = 15,699.36/x
  3. Step 3: Cross multiply
    31,495.80x = 47,254.92 × 15,699.36
  4. Step 4: Simplify right side
    31,495.80x = 741,872,000.85
  5. Step 5: Solve for x
    x = 741,872,000.85/31,495.80
  6. Step 6: Final answer
    x = 23,554.63

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1.5x scale

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.