Home / 31,569.50-47,370.46-15,987.54

Finding the Fourth Proportional to 31,569.50, 47,370.46 and 15,987.54

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Solution

The fourth proportional to 31,569.50, 47,370.46 and 15,987.54 is: 23,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.50 : 47,370.46 = 15,987.54 : x
  2. Step 2: Convert to fraction form
    31,569.50/47,370.46 = 15,987.54/x
  3. Step 3: Cross multiply
    31,569.50x = 47,370.46 × 15,987.54
  4. Step 4: Simplify right side
    31,569.50x = 757,337,124.07
  5. Step 5: Solve for x
    x = 757,337,124.07/31,569.50
  6. Step 6: Final answer
    x = 23,989.52

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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.