Home / 53,222.40-79,735.20-31,046.40

Finding the Fourth Proportional to 53,222.40, 79,735.20 and 31,046.40

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Solution

The fourth proportional to 53,222.40, 79,735.20 and 31,046.40 is: 46,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.40 : 79,735.20 = 31,046.40 : x
  2. Step 2: Convert to fraction form
    53,222.40/79,735.20 = 31,046.40/x
  3. Step 3: Cross multiply
    53,222.40x = 79,735.20 × 31,046.40
  4. Step 4: Simplify right side
    53,222.40x = 2,475,490,913.28
  5. Step 5: Solve for x
    x = 2,475,490,913.28/53,222.40
  6. Step 6: Final answer
    x = 46,512.20

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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.