Home / 31,500.64-47,227.21-19,017.70

Finding the Fourth Proportional to 31,500.64, 47,227.21 and 19,017.70

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Solution

The fourth proportional to 31,500.64, 47,227.21 and 19,017.70 is: 28,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.64 : 47,227.21 = 19,017.70 : x
  2. Step 2: Convert to fraction form
    31,500.64/47,227.21 = 19,017.70/x
  3. Step 3: Cross multiply
    31,500.64x = 47,227.21 × 19,017.70
  4. Step 4: Simplify right side
    31,500.64x = 898,152,816.53
  5. Step 5: Solve for x
    x = 898,152,816.53/31,500.64
  6. Step 6: Final answer
    x = 28,512.21

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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.