Home / 31,157.18-46,746.71-19,456.73

Finding the Fourth Proportional to 31,157.18, 46,746.71 and 19,456.73

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Solution

The fourth proportional to 31,157.18, 46,746.71 and 19,456.73 is: 29,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157.18 : 46,746.71 = 19,456.73 : x
  2. Step 2: Convert to fraction form
    31,157.18/46,746.71 = 19,456.73/x
  3. Step 3: Cross multiply
    31,157.18x = 46,746.71 × 19,456.73
  4. Step 4: Simplify right side
    31,157.18x = 909,538,114.86
  5. Step 5: Solve for x
    x = 909,538,114.86/31,157.18
  6. Step 6: Final answer
    x = 29,191.93

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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.