Home / 31,903.74-47,782.82-15,275.54

Finding the Fourth Proportional to 31,903.74, 47,782.82 and 15,275.54

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Solution

The fourth proportional to 31,903.74, 47,782.82 and 15,275.54 is: 22,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.74 : 47,782.82 = 15,275.54 : x
  2. Step 2: Convert to fraction form
    31,903.74/47,782.82 = 15,275.54/x
  3. Step 3: Cross multiply
    31,903.74x = 47,782.82 × 15,275.54
  4. Step 4: Simplify right side
    31,903.74x = 729,908,535.87
  5. Step 5: Solve for x
    x = 729,908,535.87/31,903.74
  6. Step 6: Final answer
    x = 22,878.46

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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.